Questions Asked on
September 23, 2010

College Chemistry
Balance this equations for redox reactions in basic solution. Fe(OH)3(s) + OCl ¨ FeO42 + Cl

medicine
50 ml of a solution of 50% dextrose is added to a liter of 0.45% NaCl with 2.5% dextrose to yield a solution with a final dextrose concentration of what percent

Chem 2
Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH

Physics
A cheetah can maintain its maximum speed of 120 km/hr for 38 seconds. What minimum distance must a gazelle running 74 km/hr be ahead of the cheetah to escape? A) 417.2 m B) 3778 m C) 624.3 m D) 485.6 m E) 1748 m

math
The number of dogs and chickens on a farm add up to 14. The number of legs between them is 36. How many dogs and how many chickens are on the farm if there are at least twice as many chickens as dogs?

Chemistry
Calculate the ratio of the effusion rate of oxygen gas (O2) to that of nitrogen gas (N2). Express your answer in decimal form and calculate your answer to at least four sig figs.

physics
The tension at which a fishing line snaps is commonly called the line's "strength." What minimum strength is needed for a line that is to stop a salmon of weight 85 N in 11.0 cm if the fish is initially drifting at 2.8 m/s? Assume a constant deceleration.

Physics
The voltage across an airfilled parallelplate capacitor is measured to be 219.0 V. When a dielectric is inserted and completely fills the space between the plates as in the figure below, the voltage drops to 64.4 V. What is the dielectric constant of the

Data Management Grade 12
How many different fiveletter words can be formed using the letters of the word STEVIN, a) if only one vowel is to be used? b) if both vowels are to be used and E is to precede I? c) if both vowels must be used, they must be adjacent, and E is to precede

Biology
Eggs of Amphioxus is : (a)alecithal (b)telolecithal (c)meiolecithal (d)mesolecithal is it A ?

Physics
A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff 85.0 m high (Fig. 234). (a) How much later does it reach the bottom of the cliff? (b) What is its speed just before hitting? (c) What total distance did it travel?

10th grade
The area (A) of any triangle is half the product of its base (b) and the height (h). If the base of a triangle is 16mm and it's height is 3mm, what is the area?

Statistics
The probability that a person owns a microwave oven is .75, that a person owns a compact disk player is .25, and that a person owns both a microwave and a CD player is .16. Find the probability that a person owns either a microwave or a CD player, but not

math
James has opted for a 20payment life insurance policy of $200,000. James is 42 years old. What is his annual premium?

Chemistry
A balloon filled with helium has a volume of 1.oo x 10^3 L at 20 degrees c. What will be the balloons volume at 30 degrees c, if the pressure surrounding the balloon remains constant?

PHYSICS
Several people are riding in a hotair balloon. The combined mass of the people and balloon is 308 kg. The balloon is motionless in the air, because the downwardacting weight of the people and balloon is balanced by an upwardacting 'buoyant' force. If

math
a 32in board is to be cut into 3 peices so that the second board is twice as long as the first piece and the third is to be 5 times longer than the first piece. if x represents the length of the first peice, find the length of all three pieces.

physics
a driver in a car traveling at a speed of 21.8 m/s sees a cat 101m away on the road. How long will it take for the car to accelarate uniformly to a stop in exactly 99m?

french
la ville principale de la Martinique est ________. a. Bellevue b. Paris c. FortdeFrance d. SaintTropez

Chemistry
3H2(g)+N2(g)=2NH3(g) Suppose the equilibrium constant Kp = 0.003337 for the reaction above. If the equilibrium mixture contains partial pressures H2 = 0.400 atm and N2 = 0.350 atm. What is the equilibrium partial pressure of NH3 in atm?

math
Prepare a trend analysis from the following sales, assuming a base year of 2007. Round to the nearest whole percent. 2010 2009 2008 2007 $25,000 $40,000 $45,000 $50,000

math
The total area of Canada is 9 984 670km2. Calculate the side length of a square with the same area. Show your work.

Psychology
Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test (with an estimated

S.S.
CHARACTERISTICS OF MOTHER TERASA

Poop
what's another word for poop?

Chemistry
A sample of air contains 21.9ìg/m3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 8 feet by 12.3 feet by 18.3 feet? Answer in units of atoms.

health
If you’re aerobically fit, you can A. quit your normal exercise routine without any negative effects. B. sustain a regular routine of exercise for 30–60 minutes with minimal fatigue. C. lift very heavy weights without injuries to your joints. D. run a

social studies
1)a region is an area that has... a)one or more common features b)no ppl livin in it c)few physical features d)set physical boundaries 2)the physical and human characteristics that define an area are its... a)landscape b)location c)region d)science 3)which

math
Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2). Enter your answer with the correct number of significant figures. 885.75 g + 10.151 g  25.50 g Calculate the value of the

st mags
what are shallow places in the ocean called

physics
A car travels in a straight line for 4.5 h at a constant speed of 61 km/h . What is its acceleration? Answer in units of m/s2.

Religion
What does it mean by and how how does this passage communicate the real meaning of happiness? @_@ "Happy is the man who finds wisdom, and the man who gets understanding?" Proverbs 3:13 "He who despises his neighbor sins, But happy is he who is gracious to

English
Could anyone please help me find out and understand what does "Son" by Updike say about loss, love, and "a contact barely reached"?

English 2
4. All of the following items are anecdotes in "It Can't Be Helped" except the description of a. being the only Asian in the Ocean Park class b. the narrator's emotions c. the mother's breaking dishes d. the bus arriving in Manzanar B? Thanks MC

chem
One could easily determine a single bb's mass by simply weighing it or by weighing 100 BBs and dividing the mass by 100. Why couldn't Robert Millikan use this procedure to measure the charge of an electron? Thanks:)

English 2
All of the following items describe subjective writing except a. it presents a writer's feelings b. it uses only information that can be verified c. it communicates a writer's thoughts d. it expresses a writer's judgements Not sure...? Thanks MC

french
which of the following is an informal expression for "goodbye" in French? a. Salut! b. au revoir c. pas mal d. abientot

physics 2
A spherical cloud of charge of radius R contains a total charge +Q with a nonuniform volume charge density that varies according to the equation. p(r) =P0(1r/R) for r is less than or equal to R and p = 0 for r>R. Determine the magnitude E of the elcetric

GEOMETRY
In a figure ABCDEF is a regular hexagon with DH=1cm and HC=2cm. Find the length of AH

Microeconomics
A profitmaximizing firm in a competitive market is currently producing 100 units of output. It has average revenue of $10, average total cost of $8, and ficed costs of $200. What are the firm's profit, marginal cost, and average varible cost respectively?

math
How many amps of current does a 1,000 watt hair dryer draw on a 110 volt line?

9th grade
how can a egg be a chemical change? How can an antacid tablet be a physical and a chemical change?

Chemistry
What volume of 0.105 M HNO3, in milliliters, is required to react completely with 1.40 g of Ba(OH)2? 2 HNO3(aq) + Ba(OH)2(s) Ba(NO3)2(aq) + 2 H2O(l)

math
Cassandra is repaying an installment loan of $3,500 with 20 equal monthly payments of $196 each. What is the annual percentage rate of the loan?

AED 201
Post an informed statement from a parent's point of view that is meant to persuade voters to support your position. School choice will create greater stratification and segregation among public schools.

Chemistry
When 83.1 moles of calcium acetate are dissolved in enough water to make 580 milliliters of solution, what is the molarity of acetate ions? Answer in units of M.

english
what are two litersl and figurative images in warren pryor?

Speech
True or False It is seldom necessary to write out quotations in full in a speaking outline.

chemistry
calculate the velocities of electrons with de Broglie wavelengths of 1.0x10^2nm and 1.0nm

PHYSICS
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 942 N and the drag force has a magnitude of 1045 N.

PHYSICS
At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 860 m/s2 and the vertical or y component of its acceleration is 1030 m/s2. The ball's mass is 0.38 kg. What is

Science
What happens to the cells of the body when large quantities of sodium ion were introduced to the blood stream? Having trouble with this question, any help please! ;)

Math
A total of 8 058 044 651 Web pages were searched by Google by the end of 2004. Express this number in a scientific notation and in expanded form.

calculus
Prove that there is a number that is exactly one more than its cube. (don’t solve just show there is one) Prove that the function f(x)= cosxx has a zero in (o. pi/2) Justify.

geography
What is the capital state of the state that is bordered by Colorado, Nebraska, Missouri, and Oklahoma? Since that state is Kansas then my answer is Topeka. Is this correct?

geography
How many states are west of the Mississippi River? I count 24 staes west and 26 states east. Is this correct?

10th grade
what is the thrid possible lenghts of 4in.and 7in.

physics
A bat flying in a cave emits a sound and receives its echo 0.3 s later. How far away is the cave wall? Assume the speed of sound to be 340 m/s. Answer in units of m.

calc 2
Determine whether the integral converges or diverges. Find the value of the integral if it converges. The integral where b=2 and a=0 (x/x^21 dx).

algebra
Soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed to get a 350lb mixture that is 12% protein?

physics
John runs at 4.9 m/s for 7.49 s along the x axis. How far does John run? Answer in units of m.

PreCalc
Find the line of the equation that hits y=4x^220 when x= 5 that is perpendicular to 5x6=3y My solution does not graphical show perpendicular lines, but algebraically it works lol Help!

physics
What relationship should be used to solve this situation? 1. x = v − t 2. x =v/t 3. x = vt 4. x = v + t 5. None of these

Math
If D is the midpoint of AC, is the midpoint of AB,and BD = 12 cm, what is the length of AB ? Would AB=24 Cm?Thanks

trig
Let µ be an angle in standard position that contains the point with co ordinates (5;12) on its terminal side. Determine the values of the six trigono metric functions of angle µ.

math
joshua is raising fruit flies for science project at the begining of the first day he had 4fruit flies his fruit flies double in number each day how many fruit flies does he have at the end of three days

Science
The solubility of Cu(NO3)2 is 6.83 grams per 100 grams of water (d=0.9982 g/ml). How many grams of Cu(NO3)2will dissolve in 175 ml of water?

physics
A duck has a mass of 2.3 kg. As the duck paddles, a force of 0.07 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.26 N in a direction of 48° south of east. When these forces begin to act, the velocity of the

3rd grade
How do we answer this question...the flower shop just received a shipment of 432 roses. they need to fill an order for 273 roses. use any method to estimate how many roses they will have left.

math
the appalachain trial is 2,174 miles long. If andy hiked the entire trail one time how many miles did he hike.

math
please help with my question

Physics
A) A partly full paint can has 0.747 U.S. gallons of paint left in it. What is the volume of the paint in cubic meters? I got the answer as 0.00283 cm^3 B) If all the remaining paint is used to coat a wall evenly (wall area = 11.7 m2), how thick is the

English
please can some read this for me . Beowulf is very interesting and deep poem. Beowulf encompasses all aspects of a great tale. The tale is violent one, set in times when scraping together an existence and keeping your own within rigid martial and political

Gym (Physical Education)
what should i do if i cant so any push ups? ill look so weak then people would pick on me im so scared what should i do?!?!!?!?!??!

physics
A car travels along a roadwith a speed of v=25 m/s (about 50 mi/h). The coefficient of kinetic frictionbetween the tires and the pavement is mu k=.55. a). If the driver applies the brakes and the tires "lock up" so that they skid along the road, how far

6th grade English
The local museum showcased American Indian pottery. I have to identify the adjectives and the proper adjectives. localadjective American IndianProper adjective

Critical Reading
Can someone please help me clear up this question I am stuck on? Similes and metaphors are obstacles to comprehension because they are false comparisons? True or False? I believe this is False, is that right? Thanks in advance for the help ;)

accounting
What is the adjusting entry to this problem on Dec 31st? On October 15, the school agreed to teach a fourmonth class (beginning immediately) for an individual for $3,100 tuition per month payable at the end of the class. The services are being provided as

5th grade
A SOUP COMPANY OFFERED TO DONATE 40CENTS FOR EVERY SOUPCAN LABELA SCHOOL TURNED IN.FORTYTHREE STUDENTS EACH BROUGHT IN 25 LABELS. HOW MUCH WOULD THE SOUP COMPANY DONATE TO THE SCHOOL

Biology
Which would have more DNA an average cell of a bacterium or a human cell? And what's the reason for it having more?

6th grade
a number is one thousands of 78,962

math
12(5)+(11)

Chemistry
In an experiment 1.015 g of a metal carbonate, containing an unknown metal M, is heated to give the metal oxide and 0.361 g CO2. MCO3(s) + heat MO(s) + CO2(g) What is the identity of the metal M?

physics
What is being done to reduce emissions from gasoline engines in automobiles? What more can be done in the future? Do you think gasoline engines will become a thing of the past?

geography
Why is most farming in ancient and present day Egypt done along the Nile? My amswer Because the Nile provided them with fertile land which helped them to grow their crops and raise their animals. The flooding would also coat the land with thick black mud

PhysicsDr. Bob cannyou look at my workI'm still
had this question last night for Dr. BobA fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion

statistics
give a partial table of values for indices of 3.5, 7.6, 8.9, and 9.75

Chemistry
In the dissoication of H2 in gas, why is 2 H atoms almost always achieved instead of proton and hydride?

Speech
True of False? A public speaker should avoid using transitions and internal summaries together. I think it's false. What do you think?

Chemistry
What is the total molar concentration of ions in a .200M solution of AlCl3

Math
My son has a homework (Kindergarden) where he has numbers and next to it there are five square frames. The numbers are 3 and 4. The instructions are as follows: Place counters in the five frames to show the number. Draw counters. Trace the number. Please

geography
What factors divided Egyptians into social groups? Do you think this is the answer my teacher wants? There was the Pharaoh, then Priests and Nobles. Then Traders, artisians, shopkeepers and Scribes. Lastly there were farmers and herders and unskilled

math
sample A weighed 3ounces, sample B weighed 814 thousandths of an ounce more, what decimal should be used to record the weight of sample B

Critical Reading Ms.Sue
Hello Again, I came across another questions I have... One way a critical reader can synthesize ideas on related issues from varies sources is to A.) analyze the sources for objectivity? B.) select the most popular writers in these sources? Or C.) decide

Math
How do you factor y= x^4 + x^3 + 3x^2  2x  5

math
The sum of two numbers is 15. Three times the greater subtracted from seven times the lesser equals 15. What are the numbers?

math
write in order from least to greatest the six numbers whose digits are 2, 8, and 9.

Algebra 2
Solve in factoring method: x^2+9x+11= 7 plz help me with this.

physics
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics student looks out the third floor window as the stone falls past. She happens to have a stopwatch and she finds that it takes 0.30 sec

1st grade
what is 25,ooo plus 12,000?

English
Margaret Atwood is a Canadian novelist and poet. Would the adjectives in the sentence be novelist, poet and Canadian is a Proper Adj

algebra
Tom has nickels, Jon has dimes,and Eliz has silver dollars.Jon has 7 more coins than Eliz.Tom has 7 fewer coins than ELIZ.Together, the three have $23.55. how many silver dollars does Elis have? please help me , because i am getting S=20.17, and usualy it

English  Beowulf
So we just started reading Beowulf at school and we're around ch 8. Our question to answer was Whose account of Beowulf and Brecca's swimming match is more credible/believable and why? This is referring to Unferth's and Beowulf's stories. I said that

spanish
Susana y yo/Mexico

7th grade
find the sum or difference. write the answer in simplest form.

math
Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

English 152
I need to sentence level this paragraph and I'm not sure if I'm correct. A counterswirl had caught Farquhar and turned him half around; he was again looking into the forest on the bank opposite the fort. The sound of a clear, high voice in a monotonous

phsics
I'm having some trouble with a question how do you find a vector that balances another one

elementary
je voudrais de l aide pour mettre 3 dizaine de millier, 2 centaines et 8 dizaine en chiffres

hcs514
Explain how major laws and regulations influence organization accountability. Describe how this might be different in a longterm care facility as opposed to an acute care facility.

Algebra
The measure of the compliment of an angle is 1/9th the measure of the angle. Find the measure of the angle

Chemistry
Why do H and F form a covalent bond, while Na and Cl form an ionic bond?

french
guillaume est _______ dans un college francais. a. ami b. eleve c. le frere d. la soeur

french
__________ fille, Sylvie, est de Lyon. a. le b. la c. l d. Il

MATHStuck
For each of the following, the Surface Area is given. Calculate the missing dimension. This is a rectangular prism with the width missing. The height seems to be 20 cm. The length I guess is 34 cm, and the Surface Area is 6020cm square. How do I find the

french
how does andre introduce nadine to his friend? a. je te presente nadine b. je m'appelle nadine c. bonjour, nadine d. tu t'appelles nadine

math
If the temperature drops from 25 degrees at 10:00 pm to a low of 5 at 2:00 am. How many degrees did the temp drop? How long did it take for the temp to drop from 25 degree to 5?

math
the equation is f(x) = (1/sq. root of 1x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.

french
which of the following is a summer month? a. mars b. aout c. janvier d. avril

chemistry
Is it true that the greater difference in electronegativity in an ionic compound, the greater attraction between the elements in the compound?

vocab
How would I unscramble this word? nedlge

french
un lycee est _______ secondaire en France. a. un college b. un eleve c. une ecole d. une autre

phsics
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H = 32.0 m above sea level, directed at an angle theta = 49.3° above the horizontal, and with a speed v = 25.8 m/s. Assuming

french
if it is il est huit heures et demie, what time is it? a. 2 hours and 15 minutes b. 8 hours and 30 minutes c. 6 hours and 20 minutes d. 6 hours and forty five minutes

french
which form of the French verb etre would you use to talk about yourself? a. elle b. tu c. Il d. je

us history
how was president Woodrow Wilson truly a progressive president?

french
paul est ________ ami de sylvie. a. un b. il c. une d. l'

Physics
A projectile is launched from ground level to the top of a cliff which is 195 m away and 155 m high. If the projectile lands on top of the cliff 9.2 s after it is fired, find the initial velocity of the projectile (magnitude and direction). Neglect air

9th grade
If a 300 N action force is exerted to the right, the reaction force will be ___.

social studies
what does it mean by good aspects when we talk about reconstruction law policy??

chemistry
How do basic and acidic buffers resist pH ?

algebra
solve ,4(r7) +3 > 5(r+2) 23

english
need help proofreading this acrostic poem Helping people in need of medical attention. Opening doors for people seeking refuge from their sickness. Serving anyone no matter their background. Providing patients information of good or bad news. Illnesses are

science
choose a metal you know and list three uses that illustrate three properties of metals

math problem
You are going to drive 480 miles today at an average speed of 60 miles per hour. Thus you are going to drive for a total of 8 hours. The diameter of the wheels on your car (including tires) is 25 inches. Thus each wheel is going to turn a total of ___

French
how do you unscramble these French words? pest seuclsars

Math
Perform the indicated operations and simplify. (z1)/(z8)(z+1)/(z+8)+(z120)/(z^264) Solve (x+20)(x12)(x+4)>0

algebra
Translating between tables and expressions. Position 1 2 3 4 5 m Value of term 3 4 5 6 7 ___ If m=6 value of term=8 Would it be as simple as m+2.

Math
two health plans. Under plan A, Amy would have to pay the first $60 of her medical bills, plus 30% of the rest. Plan B would pay the first $140, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over

Math homework
a number is a ( n) ___ if it can be written in the form a/b where a and b are intergers and b =/ 0 Wouldn't it be whole number?

physics
a shopper in a supermarket pushes a cart with a force of 35 n directed at an angle of 25 downward from the horizontal. the force is just sufficient to over come the various frictional force, so the cart moves at constant speed. what is the net work don't

grammar
whatis the predicate in this sentence, "Seals live in the cold".

PHYSICS
At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 860 m/s2 and the vertical or y component of its acceleration is 1030 m/s2. The ball's mass is 0.38 kg. What is

english
In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decisions. Identify the topic sentence in each by underlining it i was wnating to know what else i can put with this to complete my assignment any ideas? if

chemistry
if 8.00kJ of heat added to 200. g of water at 20.0 C what is final temperature of water?

Chemistry
What is the volume of a solution of 0.5 M NaOH that must be added to adjust the pH from 4 to 9 in 20 mL of a 100 mM solution of phosphoric acid? Its been about 4 years since I've done this stuff. All I know is the pKa of phosphoric acid is 2.15 and I'm

math
Tom has nickels, Jon has dimes,and Eliz has silver dollars.Jon has 7 more coins than Eliz.Tom has 7 fewer coins than ELIZ.Together, the three have $23.55. how many silver dollars does Elis have? please help me , because i am getting S=20.17, and usualy it

8th grade
How can I get rid of the x this is the problem x6=5 Thanks

math
148x

physcis
A box of books weighing 330 N is shoved across the floor of an apartment by a force of 440 N exerted downward at an angle of 35.0° below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move

algebra
3x^2x=7 can u help me with plz

Physics
A diver springs upward from a board that is 3.00 m above the water. At the instant she contacts the water her speed is 8.90 m/s and her body makes an angle of 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity

history
what factors most influenced colonial development

algebra
The equations are 6.5x + 8.3y + 7.1 = 0 and 7.2x + 3.4y  6.6 = 0. Find the slope and x and y intercepts of each equation. For the first equation I got the x intercept as 10.92 and y intercept as 8.55 but I can't figure out the slope. For the second one

physics
A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of 1.05 kg. The block and the embedded bullet together absorb all the heat generated. After thermal equilibrium has been reached, the system has a change in temperature

accounting
Target Corporation is currently seeking additional capital to expand its operations. Two companies have shown interest in providing additional capital. •Company #1 is interested in investing in the organization and, therefore, would like to have part

math
can a function be continuous when it has horizontal assymptote

physics
1. A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 81 km/hr in 10 seconds. What is the speed after the first 7 seconds of acceleration? A) 157.5 m/s B) 22.5 m/s C) 56.7 m/s D) 15.8 m/s E) 32.1

englisj
i wrote thins hoping that someone can help me with giving me some ideas on the topic this is what they want In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decisions. Identify the topic sentence in each by

chem 115
The first ionization energy is the energy necessary to completely remove the outermost electron from an atom. For a Hydrogen atom this energy is 2.18 X 10^18J. If you were to use a laser to provide this energy, what is the wavelength (in nm) of the light

Physics
A student bikes to school by traveling first d_N = 1.10 miles north, then d_W = 0.500 miles west, and finally d_S = 0.200 miles south. You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction as the

Physics
Jon is attempting to swim straight across a swift flowing river that is 30 meters wide. Jon can swim at 5 m/s relative to the water. The current is moving at 7 m/s and Jon makes no correction for the current. How far downstream does Jon end up by the time

Algebra 1 Honors
What Is 45% of 30?

chem 115
1) here has been a great deal of controversy over whether cell phones cause brain cancer due to the emission of high energy waves near the head. The data on this is still being discussed (see NY Times article if you want more information) but we can do a

Math
Find the quotient function f/g for f(x)=sqr(x+1) and g(x)= sqr( x1). My Answer: sqr(x+1)/sqr( x1) sqr(x^21)/ (x1) However, I also have to state the restrictions to the domain and range, which I do not know how to do. Could someone please help me?

english
i wrote thins hoping that someone can help me with giving me some ideas on the topic this is what they want In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decisions. Identify the topic sentence in each by

9th grade
what is the theme presented in this quote in jane eyre....I was a discord in gateshead hall... If they di not love me, in fact

phsyics
A baseball is thrown straight up. The drag force is proportional to v^2. In terms of g, what is the ycomponent of the ball's acceleration when its speed is half its terminal speed and it is moving up? In terms of g, what is the ycomponent of the ball's

arithmetic
I got 102 questions right out of 150 on a math test. What percentage did I get on theis test?

Math
: Jim Kim Mim and Tim all went fishing. They each caught one fish. They measured each fish to the nearest inch and weighed them to the nearest pound. When they lined the fish up end to end they stretched from one edge of the 6footlong table to the other.

8th grade
14cents/ounce=$____lb

painting
Discuss a minimum of two reasons why Jackson Pollock's style of painting, as exemplified by Convergence, is considered an important, innovative development in the history of painting. To see this painting, locate it in the unit’s Resource List. Imagine

PreCalc
Consider the function(7+15x^2)/(10x^2+9x+10). Find the function's domain and identify any horizontal and vertical asymptotes Please Help!

Chemistry
What is the volume of a solution of 0.5 M NaOH that must be added to adjust the pH from 4 to 9 in 20 mL of a 100 mM solution of phosphoric acid? Its been about 4 years since I've done this stuff. All I know is the pKa of phosphoric acid is 2.15 and I'm

preschool
i need 9 learning experiences that will promote physical cognitive and creative learning

Math
5/8y=40

Physics
Hello! I was wondering if I could get some help solving this problem? A car travels at a constant speed of 10.0 m/s along a straight highway that is inclined 6.0 degrees for 11.0 s. How high vertically does the car travel?

math
a spring flows at a rate of 75 gallons per minute. about how many hours does it take to produce 1,000,000 gallons

physics
A ball rolls horizontally with a speed of 7.6 m/s off the edge of a tall platform. If the ball lands 8.7 m from the point on the ground directly below the edge of the platform what is the height of the platform? Any help would be greatly appreciated! Thank

physics
A ball rolls horizontally with a speed of 7.6 m/s off the edge of a tall platform. If the ball lands 8.7 m from the point on the ground directly below the edge of the platform what is the height of the platform? Any help would be greatly appreciated! Thank

Physics
Hello! I was wondering if I could get some help solving this problem? A car travels at a constant speed of 10.0 m/s along a straight highway that is inclined 6.0 degrees for 11.0 s. How high vertically does the car travel?

physics
A bowling ball weighing 71.8 N is attached to the ceiling by a rope of length 3.83 m. The ball is pulled to one side and released; it then swings back and forth as a pendulum. As the rope swings through the vertical, the speed of the bowling ball is 4.50

Physics
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics student looks out the third floor window as the stone falls past. She happens to have a stopwatch and she finds that it takes 0.30 sec

math
8 boxes of 1000 counters is greater than less than, or egual to 1,000

Literature
What does it mean to create art within stories and poems?

science
whats a five letter word with the definition of displays information in rows and columns

Math
Is the rate 3/4 cup butter/6 eggs = 9 cups of butter/ 73 eggs equivalent to the rate? is it yes

Physics
A soccer ball is kicked with an initial speed of 5.1 m/s in a direction 24.5° above the horizontal. Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is

science
what water actvities might be easier to do in lake assal's salty water? what actvities could be more difficult?

Chemistry
I used coulomb's law to find the force of attraction between the ionic atoms in BeS and BeO. For BeS, F = 6.85x10^29 J/m For BeO, F = 9.078x10^29 J/m Which has the stronger force of attraction? BeO? What does the "" sign mean?

Physics
A soccer ball is kicked with an initial speed of 5.1 m/s in a direction 24.5° above the horizontal. Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is

region and landforms
which region is known for its highestand lowest landformand temp in the US?

science
A bus makes a 10 mph journey through town . its top speed is 30 mph and its mean speed is 10 mph explain why theese speeds are diffrent ?

math
went to market with a whole crop of pumpkins which I had grown in my pumpkin patch. I sold half of them plus half a pumpkin, and found that I had one whole pumpkin left. How many pumpkins did I take to the market?

calculus
Find the derivative of the functions: 1) f(x)=x(1(2)/(x+1)) 2) f(s)=(s^22s+5)/(x^(1/2))

The Young Child and the Environment
When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A. Cumulative B. Multifactoral C. Quantitative D. Qualitative

physics
A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the

Chemistry
Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4 x 5H20, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.6 g H20 from a tankful of gasoline?

Math
could someone please help me solve these two math problems? Which of the following numbers are integers? 2/13,570,0.096,670,33.3? write in the lowest terms 2 1/4+4 1/7?

vocab
Is perfidious an adjective in this sentence ?: Tom's wife is perfidious.

religion
What are these scriptures trying to tell us about happiness/joyful? 1. Matthew 13:44 "The kingdom of heaven is like treasure hidden in a field. When a man found it, he hid it again, and then in his joy went and sold all he had and bought that field." 2.

english
write a paragrah using five adverb and adjectives about credit cards.

9th grade
Which has more acceleration when moving in a straight line—a car increasing its speed from 33 to 51 km/h, or a bicycle that goes from zero to 18 km/h in the same time

physics
A 20 kg object falls from a height of 30 meters. The amount of kinetic energy that the object will have just before it hits the ground is ______ joules.

math
2nd grade math question Show how you would explain "Make a 10" to someone who never heard of it.

physics
A car is parked on a cliff overlooking the ocean on an incline that make an angel of 37 degree with the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. the car rolls from rest down the incline with a

English 2
'When you finish the final section of this lesson, you'll write a short research paper. You can choose any subject to research and write about, but you'll want to keep some guidelines in mind. Your subject should be interesting. It should be complex enough

social studies
How did mount taishan affect the people living there? what are the three levels at which a geographer might study the world?

6th grade
What is the least amount of wooden fencing needed for the perimeter of a rectangular garden with an area of 48 square yards?

Calculus
What is the limit, as x goes to 0, of [sinx(1cosx)]/(2x^2)?

math
what is 1/4(5y3)+1/16(12y+17)?

college algebra
a mason can build a wall in 6 hours less than an apprentice. Together they can build the wall in 4 hours. How long would it take the apprentice to build the wall?

2nd grade
Sam lives 5 miles from school, Joe lives 2 miles from school, and Andy lives 1 mile from school. What is the range of the miles the boys live from school?

math
x^4/37x^2/3+12=0 implify into quadratic equation

business
what is a recent canadian safety regulation act that got violated ie. acts such as food and drugs act meat inspection act seeds act hazardous products act customs act

Accounting
What is the journal entry when a company issues debt to purchase all outstanding shares of another company?

english 2
if you were young lucious, what would you think bout the events you observed? how would you fel about brutus?

math
If 9 less than 1/4 of a number is 6. What is the number?

Chemistry thanks
Hi,there was an error with the procedure. 1.0g NaOH sample was dissolved in 5ml of water and acidified with 4ml of conc. nitric acid,not dilute nitric acid. This was then made up to 15ml with water.After acidifying with conc. nitric acid instead of dilute

math
how many square 2''x2'' will cover an area that is 10ft x 20ft

Business
what canadian service is imported and exported..

math
Ramon owns a home that was appraised for $132,600. Ramon’s credit union is willing to loan an amount up to 70% of the appraised value of a home. Based on this information, what is the maximum potential amount of credit that’s available to Ramon for a

math
a small plane flying into the wind takes 3 hrs 20 min to complete a flight of 960 km. Flying with the wind the same plane takes 2 h 30 min to make the trip.what is the speed of the plane? what is the speed of the wind? can u plz finish the whole question??

math
Shawn bought a home for $100,000. He put 20% down and obtained a mortgage for 30 years at 5½%. What is the total interest cost of the loan?

4th grade
Copy and complete the table to represent the pattern in the figures. Write a rule. Figure 1 one triangle Figure 2 3 triangles(in a pyramid shape) Figure 3 6 triangles(in a pyramid shape) Thanks for your help.

math
if 1 1/4 hours = 1.25 hours, convert 30 minutes as to a decimal number

math
What is the future value of an ordinary annuity of $12,000 per year, for three years, at 9% interest compounded annually?

reading
What was Jane Goodall's strategy for getting close enough to the chimpanzees to observe them?

biology
identify the components of an ecosystem? thank you

Writhing in Math
What is the least possible number you can write with a 1 in the thousands place

science
How can I write a 500 word essay on what agriculture means to me by comparing the pros and cons of early 1900's agriculture, the industrial war, effects of chemical warfare on the agriculture industry, including people, animals, the earth, while basing

math
What would be the monthly payment on a $90,000 mortgage at a rate of 7.5% interest for 30 years?

math
John and Paul work together at a music store. In one afternoon, they sold a total of 41 CDs. If Paul sold 9 more CDs than John, how many CDs did John sell?

geometry
Half the measure of the angle is 25 more than onethird the measure of its supplement.

phsyics
An elevator with a weight of 27.9 kN is given an upward acceleration of 1.46 m/s2 by a cable. (a) Calculate the tension in the cable. (b)What is the tension when the elevator is decelerating at the rate of 1.46 m/s2 but is still moving upward?

English
It is also one of the oldest lakes in the entire world. I have to identify the adjectives. oldest

math
The Patel family recently purchased a home, taking out a mortgage of $235,000 at 8½% for 25 years. Excluding taxes and insurance, what is the monthly PITI payment of their loan?

physics
A certain copper wire has a resistance of 12.0 \Omega.At what point along its length must the wire be cut so that the resistance of one piece is 5.0 times the resistance of the other?

phsyics
An elevator with a weight of 27.9 kN is given an upward acceleration of 1.46 m/s2 by a cable. (a) Calculate the tension in the cable. (b)What is the tension when the elevator is decelerating at the rate of 1.46 m/s2 but is still moving upward?

math
93 1/2 nine minus 3 and one half

math
What sinking fund payment would be required at the end of each threemonth period, at 8% interest compounded quarterly, in order to amount to $20,000 within five years?

3rd grade math
Mrs.jones has 30 tomatoes plants. she wants to plant the same number of plants in each row of her garden. explain how she could decide the number of rows to plant.

physics
A sphere of mass 3.3 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes an angle of 41° with the vertical when at rest (a) Find the magnitude of that push. (b) Find the tension in the cord.

math word problem
Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

English
Please check this paragraph . Beowulf possesses all of these essentials charterstic throughout the poem which prove him an epic hero of the poem. Beowulf is a young adventure who takes risks of his life for glory achievement. He crosses the sea, defeats

Mathematicss
Why can we simplify 14/21 to 2/3? How do we know that these are the same?

10th grade
how can a U.S. citizen whose income is in the top one percent talk about scarcity ?

Math
My son has a homework (Kindergarden) where he has numbers and next to it there are five square frames. The numbers are 3 and 4. The instructions are as follows: Place counters in the five frames to show the number. Draw counters. Trace the number. What are

Math
An inheritance of $40,000 is invested in two municipal bonds which pay 6% and 7% simple annual interest. If the annual interest from both bonds is $2,550 how much is invested at each rate?

us history
are the american colonist justified in rebelling agaisnt great britain?

physics
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 4.20 . Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a

math
an airplane flew with the wind for 30 minutes and returned the same distance in 45 minutes. If the cruising speed of the airplane was 320 mph what was the speed of the wind ?

Math
Maritess says 8.3 is to the left of 8.27 onthe number line why is Maritess incorrect?

math
Last month, Bob took a cruise from Florida to the Bahamas. The cost of his roundtrip ticket was $832. The federal excise tax on the cruise was 8%, and Florida has a sales tax rate of 6%. What was the total purchase price of Bob’s ticket?

Mathematics
What is the algebraic relationship between x and y? x: 1 1 3 0 2 y: 6 0 12 3 3

social studies
for the mount tai part, i have the info already. is there any other reasons? it is in the ancient china ms.sue is the one that answered the ? i need 23 more reasons

Hard Calculus
f(x)= xsquared  2x Determine whether y= f(IxI) is continous at x= 0 justify your answer

math
Suppose that Bill orders 8 pizzas, each with pepperoni (and possibly other toppings as well), and Howard orders 6 pizzas, each with sausage (and possibly other toppings as well). Without knowing precisely how many pizzas were ordered in total, what is the

science
Human digestiontrace the process of indigestion to waste. Post a 200 word paper decribing 2 organs?

Physics
I had this question last night for Dr. BobA fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it

Math
I have a problem that I have to annex zeros that the numbers have the same number of digits after the decimal point.

math
Look at the line chart shown in Figure A4. This line chart illustrates the monthly sales for a company that sells music CDs. According to the chart, how many CDs were sold in the month of May?

math
A company declared a dividend of $2,200,000. The company has 55,000 shares of common stock outstanding. What are the dividends per share of common stock?

science
what mass of formic acid must be dissolved in 250 ml of deionized water to produce a solution of pH 1.83?[ka of HCOOH=1.77*10^4, Mw=46]

Math
8x3y=6

biology
in which domain should a biologist classify a singlecelled organism containing a nucleus

English 2
10. Which of the following events is an example of situational irony in "R.M.S. Titanic"? a. Although the Californian is the ship closest to the Titanic, it does not come to the Titanic's rescue. b. When the crew realizes the extent of the damage to the

Statistics
Box A contains 4 red and 6 blue balls. Box B contains 5 red and 10 blue balls. A box is selected at random and a ball is drawn. Find the probability that the ball is blue, given that it came from Box B.

Algebra
a jar contains $1.51 in pennies, nickels, and dimes. There are 4 more pennies then there are dimes and there are twice as many nickels as there are dimes...how many of each coins are in the jar

8th grade
16y + 3=67

social studies
how did the Mediterranean sea affect the people living there? i searched almost all sites and only found stuff about merchants is there any other stuff?

MATH
WRITE A 6 DIGIT NUMBER IN WHICH THE DIGIT 4 HAS A VALUE OF 40,000

earth science
If an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of neutrons.

Chemistry
It takes 56 mL of 0.124 M KOH to neutralize 45.4 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter

English
Thank you very much for your last corrections. Here are some sentences on clothes' description I'm not sure of. Can you tell me the best way to describe a picture? 1.In the foreground I can see a group of young boys taking part in the "Ten Tors Challenge".

math
how can I use the fact 11*5=55 to solve 11*6?

Physics
A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up?

Statistics
The probability that a person owns a microwave oven is .75, that a person owns a compact disk player is .25, and that a person owns both a microwave and a CD player is .16. Find the probability that a person owns either a microwave or a CD player, but not

Chemistry
Sulfuric acid (H2SO4) is a very diprotic acid. If 0.046 moles of sulfuric acid is mixed with water to make 638 mililiter of solution,what is the molarity of H+? Answer in units of M.

nothing
so how does this website work?

Psychology Please Help
Middle Ear Infection They also found that among children who were delayed at 24 months, low maternal education predicted delay even more strongly at 48 months (OR = 30.5) What does OR stand for? OME delayed cognitive development in children with OMR when

history
why is the civil war fought in the USA?

English
I have to more sentences for you to check regarding clothes. Thank you 9) The boy sitting at the front (of the group) is wearing a black tracksuit, a baseball cap with a red peak (or visor?) and a blue wind jacket with a zipup pocket (?) at the front.

math
Explain how you can use a hundred chart to subtract 12 from 46.

math
A total of 8 058 044 651 Web pages were searched by Google by the end of 2004. Express this number in a scientific notation and in expanded form.

10th grade
> BD bisects

English
I wrote 5 sentences for you to check. Thank you. 1) In their backpacks they have packed extra clothes, food and water for the twoday competition. I can see the finishing line in the background (on the top lefthand side??) 2) The first boy on the left is

Chemistry
When 0.078 moles of aluminum sulfate are dissolved in enough water to make 634 milliliters of solution, what is the molarity of sulfate ions? Answer in units of M.

College Algebra
Add up all of the weights for your prepackaged items and then add up all of the costs for your four prepackaged items. From the totals, find the average cost per ounce of prepackaged items. Convert your results to cost per pound; using proportions will

geography
What is the Caribbean island with the second largest land area? I looked it up and my answer is Hispaniola. Is that correct?

english
Give 5 similaralities between spoken language and text/instant messaging

social studies
The Department of Health and Hospitals' portion of the 20052006 budget was $6,577 million. What percentage of the total state budget did that represent?

algebra 1
Use the Quadratic Formula to solve the equation: 5x^2 + 9x  2=0 2,1/5?

English
I need ideas for writing a story with the themes/writing style of Hemmingway

algebra 1
Use the Quadratic Formula to solve the equation: 5x^2  6x  8=0 .51,1.71?

Math
Find the quotient function f/g for f(x)=sqr(x+1) and g(x)= sqr( x1). My Answer: sqr(x+1)/sqr( x1) sqr(x^21)/ (x1) However, I also have to state the restrictions to the domain and range, which I do not know how to do. Could someone please help me?

reading
How much time did Goodall spend with the chimps each day? Why is this meaningful?

math
If you had a fraction strip folded into tenths what fractional lengths could yu measure with the strip?

Chemistry
When 0.046 moles of lead(II) nitrate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

physics
A sign is held in position by 3 cables sign weight 215N, what is the tension in each of the 3 cables

chemistry
was is the copper 2 carbonate's mass expected to do down after heating

Corporate Finance
Please justify how a firm should make financial decisions with respect to bond prices and interest rates. What approach would you recommend? Why?

Teachers Aide/Technology in the Classroom
Which of the following scenarios most likely describes the future of technology in education? A. School personnel will become convinced that computers are a passing fad. B. More interactive multimedia programs will become available. C. Drill and practice

math
the points are (2.1, 6.3) (2.5, 4.7) y=mx+b find what m= and what b =

Chemistry
Calculate the molality of CsCl in a 6% by mass aqueous solution. Answer in units of m.

health care
Hospitals that are excluded from the Medicare acute care PPS (such as children's hospitals) are paid based on a. reasonable costs b. fee schedules c. global payments d. bundled payments

COM156
Why does the thesis statement go at the end of the introductory paragraph?

Chemistry
Calculate the molality of acetone in an aqueous solution with a mole fraction for acetone of 0.235. Answer in units of m.

math
solve the absolute value equation 3a+8=4a4 the solution set is

is this true?!
animals and other organisms that eat the food in an ecosystem are called PRODUCERS. i wrote true ami i right?!

Chemistry
How many grams of sucrose (C12H22O11) must be dissolved in 60 g water to make a solution in which the mole fraction of sucrose is 0.2? Answer in units of g.

biology
why do experiments usually require a control

Chemistry
A sample of 7.52 grams of Na OH is dissolved into 675 mL of aqueous M NaOH (assume no volume change). This solution is then poured into 1.95 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

math
how can i use the fact 11*5 =55 to solve 11* 6?

6th grade
what is the given value of the variable a+4 diveded by 8 a=3.75

social studies
I need to know the best way to explain what the atlanta campaign was to my 5th grader

geography
The Nile River delta empties into what body of water? I have looked on the map and my answer is the Mediterranean Sea. Is this correct?

physics
a soccer player kicks the ball exerting a force 45N on the ball.During the kick .a)Exactly 45N of force on the player;s foot b)More 45N of force on the player;s foot c)Less than 45N of force on the player;s foot d)No force on the player's foot

Math
The weighted mean of the numbers 204, 206, 207, and 208 is 207.2. How could I arrive at the weight (or possible weights) of the four numbers?

PhysicsPlease help!!!
had this question last night for Dr. BobA fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion

Science
The density of copper is 8.92 g/cm to the third power. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be

Calculus
Evaluate the integral e^x sin4x dx. I know the answer is 1/17 e^x sin4x  4/17 e^x cos4x + C but I don't know how to solve it out.

Science
In a diploid organism with 2n=8, what is the probability that one of its gametes will contain only paternally derived chromosomes (ie, not a mixture of paternal and maternally derived chromosomes)?

Spanish
Is this correct how I answered these two questions? Donde vive presidente de los Estados Unidos? My answer: El presidente vive en Washington, D.C. De donde es tu amigo? Answer: El amigo es de Colombia. I know I didn't use accent marksI will put those in,

math
Each ostrich needs a pen about 20 feet by 10 feet.How many square feet of space will be needed by 11 ostriches.

1st grade
what is isomers

math
how many 7 digit numbers can less than 1,048,000 can be made using digits 0,1,4,6,7,8 and 9?

medicine
A cat with a gastrotomy tube must receive 300 kcal daily. A 15 oz can of food has 1500 kcal. The food must be diluted with water 50:50 so that it is thin enough to fit through the tube. A maximum amount of 45 ml can be given at each feeding. How many

10th grade
how do I write and start a two voice poem?

PreCalc
Find the maximum product of two numbers whose sum euqals 124. Let's call the numbers "x" and "y". Also, what are those two numbers?

Math
Which group shows all the whole answer number factors of a composite number? A. 1,2,3,4,5,8,16 B. 1,2,3,4,5,6,10,20 C. 1,2,3,4,6,8,12,24 D. 1,2,3,4,7,14,28

Math
when a drawing pin falls to the ground, the probability that it lands point up is 0.2. a. Find the probability that a pin does not lend point up. Two drawing pins fall one after the other.

math
The football team has 86 players. Thirtytwo of those players are seniors. What percent of the football players are seniors? Round your answer to the nearest whole number.

Chemistry
A sample of gas occupies 3.00 L at 760 torr. Calculate the volume it will occupy at 1.45 atm and the same temperature?

Math
At 1 pm two trains, traveling toward each other leave from towns that are 312 km apart. One train averages at most 82km/h and the other at most 74km/h. What is the earliest possible time for them to meet? Please help me solve this. I'm not exactly sure how

geography
What river flows just south of Cincinnati, Ohio? My Dad has a very good map and my aswer is The Ohio river. Is that correct?

Chemistry
I am comparing the ions BeS and BeO. BeS... d=229 pm Force of attraction = 6.856x10^29 J/m BeO... d=199 pm Force of attraction = 9.078x10^29 J/m I used Coulumb's to find this. Can you explain this?... the reasoning why BeS has a greater attraction?

geography
The Prime Meridian passes through which three continents? Looked on my world globe. It passes through Europe, Africa and Antartica. Is this correct?