Questions Asked on
March 2, 2013

geometry
find k if one of the lines given by kx^2+10xy+8y^2=0 is perpendicular to 2xy=5

Chemistry
Imagine two solutions with the same concentration and the same boiling point.? Imagine two solutions with the same concentration and the same boiling point, but one has ethanol as the solvent and the other has carbon tetrachloride as the solvent. Determine

chemistry
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.20 gallons, what is the boiling point of the solution? Make the following assumptions in your

Physics
Four students measure the mass of an object, each using a different scale. They record their results as follows: Student A B C D Mass (g)49.06 49 50 49.1 E 49.061 Which student used the most precise scale?

English
Which of the following words is different from the others? A. Sell B. Trade C. Barter D. Bargain

Algebra
Maria bicycles 6km/h faster than Praedup. In the same time it takes Praedup to bicycle 54km, Maria can bicycle 72km. How fast does each bicyclist travel?

Calculus
Find the length of the arc formed by x^2=9y^3 from point A to point B, where A=(0,0) and B=(81,9) Please help, I have no clue as to where to go with this problem! Thanks!

English
Click on the box to choose whether the italicized sentence supports the key sentence. Key Sentence: Alexander Solzhenisyn had much tragedy in his life. He became a victim of cancer while in prison.no or yes He later moved to America. yes or no His book One

maths
heather loves roses.in her rose garden she has half as many pink roses as red,and four time as many red ones as white.there are 37 roses that are either yellow or white.twenty are yellow.how many roses are in heather's garden.

chemistry
Find the concentration of calcium in ppm in a 3.5g pill that contains 40.5mg of ca? Answer 1.16ppm Bob helps me

Physics
An airtrack cart of mass 0.10 is moving with a speed 1.2 to the right when it collides with a cart of mass 0.24 that is at rest. Each cart has a wad of putty on its bumper, and hence they stick together as a result of their collision. Suppose the average

MA130
How many fourdigit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?

english
Identify the nouns and verbs; Life is full of choices, so I must learn to make good ones.

Chemistry
How much energy is required to heat 36.9g of ice at 0 degrees celsius to water at 0 degrees celsius?

Math
the international links longdistance phone company charges no monthly fee but charges 18 cents per minute for longdistance calls. the world connections long distance company charges $50 per month plus 10 cents per minute for longdistance calls. compare

Chemistry
A solution is made by mixing 37.0 mL of ethanol, C2H6O, and 63.0 mL of water.? Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? ethanol: 0.789 g/mL 43.9 torr water : 0.998 g/mL 17.5 torr

Sci
when a large amount of FeCl3 is dissolved in water, a clear solution is formed at the beginning but eventually a precipitate is formed. Why? Explain with chemical equation.

calculus II
∫ tan^2 x sec^3 x dx If the power of the secant n is odd, and the power of the tangent m is even, then the tangent is expressed as the secant using the identity 1 + tan^2 x = sec^2 x I thought that since tan is even and sec is odd, we have to put this in

Probability
An oildrilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $355,000. If only natural gas is hit, the income will be $130,000. If nothing is hit, there will be no income. If the

physics
a mass of 0.2kg is attached to a spring of negligible mass. if the mass executes simple harmonic motion with a period of 0.5s, what will be the spring constant?

Biology
Distinguish between breathing and respiration , i wrote: Breathing is the process of taking in oxygen and eliminating carbon dioxide. Respiration is the breakdown of oxygen in the body although both are needed for all living organisms Is this true? If not

language
what parts of speech is drive and to in the sentence We took a long drive to the ocean.

Science
Determine the minimum electric potential difference (in volts) that must be applied to accelerate an αparticle so that on interaction with a hydrogen atom, a ground state electron will be excited to n = 6.

Science
Calculate the wavelength, λ, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4.

biology
for a lab it says prepare a 300 ml of .2% sodium bicarbonate solution. I am trying to find how many grams of NaHCO3 i need. so i did 300ml X .002 and got .6ml of NaHCO3. but how do I convert that to grams of NaHCO3

Physics
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor and a 3.50 micro farad capacitor. Find the phase angle between the current and the voltage.

PHYSICS
A force 1 Megadyne is forced agaist a running body to stop it.If the kinetic energy of the body is 1 Joule,then how much distance it will go before stopping?

Health
What is the Affordable Care Act? A. A program that allows people who are at lower risk for chronic diseases to gain free memberships to gyms and fitness facilities. B. A program that covers diet counseling for people who are at lower risk for chronic

chemistry
The solid oxide of generic metal M is added to 75 mL of water and reacts to produce a basic solution that is 0.20 M in the resulting compound. Neutralization of the solution required titration with 27 mL of 0.56 M HCl. How many valence electrons must M

Physics
what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me

Manufacturing Process
What is meant by cybernation?

Manufacturing Process
List three benefits of the laser welding process.

Manufacturing Process
Briefly explain the difference between the following welding processes: OAW,OHW,and PGW.

Manufacturing Process
What are two ways in which cutting tool materials' resistance to heat can be measured? Define each.

geography
do you think that the island of Santorini was in fact the legendary Atlantis Plato depicted? Support your view with evidence

math
7. ____ is two thirds of ____ 8. ____ is three quarters of ____ 9. ____ is a quarter of ____ 10. ____ is a third of ____

CHEMISTRY HELP!
Calculate [Cu2+] in a 0.10 M CuSO4 (aq) solution that is also 6.4 M in free NH3 . Cu2+(aq) + 4NH3(aq) >[Cu(NH3)4]2+ (aq) kf = 1.1 x 10^13

math
square root of 45 simplfy by factoring

financial project
Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

math
8. ____ is three quarters of ____ 9. ____ is a quarter of ____ 10. ____ is a third of ____

Math Perimeter
write as a decimal seven and eightyseven hundreths

augusta state
What is the final concentration of d at equilibrium if the initial concentrations are a = 1.00 and b = 2.00 ?

Math
How would I solve this part of the Fibonacci sequence piecewise function? f(n) = f(n1)+f(n2) if n > 1. Thanks

chemistry
0.30M nh3 and 0.20M HCL calculate the ph of solution kb=1.8 × 10^5

CHEMISTRY HELP PLEASE!!
0.350L of 0.160 M NH3 is added 0.140 L of 0.100 M MgCl2 . How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (aq) ? The Ksp of Mg(OH)2 is 1.8 x 10–11.

chemistry
a solution contain 0.50M propionic acid and 0.20M sodium propionate calculate ph? ka=1.3 × 10^3

Introduction to Marketing
Identify which channel of distribution will provide the best coverage of the target market for your product or service.

Geometry  Dilation of a square
The preimage of square ABCD has its center at (8,8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A)

Math
Using induction to prove, 1 + 1/4 + 1/6 + 1/64 + ... + 1/(2^n) = (2^(2n)+1)/2^(2n) Thanks! (sorry abt the previous question)

Finance
Use the “balance sheet equation” to determine owners’ equity if liabilities are $5 million and assets are $10 million. Assets = Liabilities + Owners’ equity

Chemistry
Given the rate equation... RATE = ([ Na2S2O3]/time) = k [I]a [BrO3]b [HCl]c 1A) You mix together in the proper manner the following: 10.0 mL of .0100 M Potassium Iodide 10.0 mL of .00100 M Sodium thiosulfate 10.0 mL of water 10.0 mL of .0400 M Potassium

math
81^3/4 cubed of 81square root of 3 over 4 which is cubed

chemistry
Assume that 50ml of 0.01M edta solution were added to 25ml of co solution and the excess edta required 20ml of 0.005M mg solution. Calculate ppm co+ present. The answer 942ppm Bob helps me

Chemistry
How many formula units are in 67.69 grams of salt? How many molecules are in 44.99 grams of water?

Physics
An electron is projected, with an initial speed of v= 2.18e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal

programming (C#)
Write a consolebased program that accepts a user's message and determines whether it is short enough for a social networking service that does not accept messages of more than 140 characters.

Math
1. Errol uses 1/3 can of wet dog food for his dog, Muddy, each day. how many servings will he get from 5 cans of dog food?

windows 7
A ________is software that installs and sets up programs to run on your computer. A.intitator B.installer c.downloader d.applicator

Mesopotamian Mythology.
Is it possible to create without destroying or is this simply an ancient concept that holds true?

calculus
Suppose you have 400 meters of fencing and you wish to enclose a rectangular space with two parallel partitions: What is the maximum total area of the enclosed space, in square meters?

maths
A particle of mass 4 kg is attached to one end of an inelastic string and a particle of mass 2 kg is attached to the other end of the string.The string has length 4m and is hung over a smooth pivot at its midpoint. The Pivot lies 3m above the ground.How

maths
A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

Chemistry
Calculate the energy of a photon of frequency 35.0 MHz (MHz is a mega hertz or 1 x 106Hz).

math
find the monthly payment fot the loan. $ 500 loan for 12 months at 13%

math
What is three quarters of £42?

Fractions of Money b.
Answer these questions: 1. What is s third of £18? 2. What is two thirds of £33? 3. What is three quarters of £42? 4 What is a quarter of £42? 5. What is a third of £42? Complete these statements: 6. ____ is a third of ____ 7. ____ is two thirds of

math
when rolling a die, do you think everyone will have the same results

science
information on sicled cells disease how they work,how do you get it etc

chemistry
You mix together in the proper manner the following VOLUMES: 0.0100 M Potassium iodide...9.2 mL 0.0010 M Sodium thiosulfate...6.5 mL Distilled water...16.8 mL 0.0400 M Potassium Bromate...13.9 mL 0.100 M Hydrochloric acid...6.1 mL Using the rate constant

Chemistry
KClO3 dissociated in H20 should form a neutral solution. The results proved to be a slightly acidic solution with a pH of 6. What happened?

calculus
A cylindrical container is to hold 20π cm^3. The top and bottom are made of a material that costs $0.40 per cm^2. The material for the curved side costs $0.32 per cm^2. Find the height in centimeters of the most economical container.

calculus
find dy/dx for y=arctan(x/2) i'm getting 4/(x^2+4) my friend is getting 2/(4+x^2) could someone point me in the right direction? tahnk you

reading
why did the Jews hide from the Nazi it was because they wanted to kill them right? info on more please thank you

Physics
Alpengeist, in Williamsburg, Virginia, promises the world’s largest inverted (upsidedown) loop, with a diameter of 106 feet (32.3 m). (i) What is the minimum safe speed while inverted? (ii) If the actual speed is 52.0 mph while inverted(23.25 m/s), then

Adult Development and Life Assessment
In order to increase selfesteem, experts say you should

physics
A projectile is launched at a 60 degree angle above the horizontal with an initial velocity of 35.5 m/s. What is the projectile's velocity (magnitude and direction) 1.50 s into the flight?

calculus
sorry for the probably simple question, but i haven't done this stuff in a long, long time. thought i had this right, but again not finding the answer which of the following gives the slope of the tangent line to the graph of y=2^(1x) at x=2? a)1/2 b)1/2

History
Why did many progressives on either side of WW1 see America's entry into the war as an opportunity? What did the progressives accomplish during the war that they felt was positive?

History
Was Wilson correct in trying to get American into the League of Nations? Was it correct to try to get the tenth article modified?

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A)

ENGLISH
Which one is correct in the planet or on the planet?

math
Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a $ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.

Geometry
Sandy has a long list of 100 suitors. She decides to label them according to if they are tall, dark or handsome. She finds that each of her suitors fall into at least one of the categories, and 65 of them are tall, 76 of them are dark and 53 of them are

comma
There should be commas around “however” in the following sentence: “Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather.”

history
What is the virginia state flower and tree

Science
Which atom or ion would you expect to have the smallest radius? Ne F Na+ Ne

Science
A photon with a wavelength (λ) of 3.091 x 10–7 m strikes an atom of hydrogen. Determine the velocity (in meters/second) of an electron ejected from the excited state, n = 3.

language
how does punctuations work

Science
An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.

Science
Calculate the wavelength of a photon with energy 2.45 eV. Enter the numerical value in m

Science
Calculate the wavelength of a proton with energy 2.45 eV. Enter the numerical value in m

statstics
A distribution of weights is symmetric about its median. The lower quartile of the weights is 90 pounds and the median is 120 pounds. Find the interquartile range of the distribution.

Physics
The average power output of a human heart is 1.3 3 Watts. You had to pay for this energy at Wis consin Energy’s rate of $0.12061 per kWh (kiloWatt hour), what is the cost?

MATHStraingles
one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.

MATHSPARABOLA
using integration find the area of the region enclosed between the circle x^2+y^2=16 and the parabola y^2 = 6x

Physics
A child with a mass of 35.0 kg climbs onto a water slide that is 2.00 m above the water as shown. The child does not push off, and so is at rest when the sliding begins. The slide is very slippery, and is considered frictionless. (i) What is the work done

calculus
sorry to ask a second question so soon, but i'm just not getting this one. if f(x)= 3x lnx, then f'(x)=? i used f'(x)=3x(D lnx) + D (3x) (lnx) f'(x)=3x (1/x) + 3 (lnx) so... f'(x)=3+3lnx or 3(1+lnx). unfortunately that isn't one of the possible answers

geometry
Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the midpoint of AC , and F is the midpoint of AB . If CF and BE intersect at G , then cos(CGB), in simplest radical form, is ((k square root w)/f) where k , w , and f are positive integers.

Bardo Thodol or The Tibetan Book of the Dead
the process from death to rebirth. the various forms in which one can be reborn.

algebra 1
4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x F d) Both (b) and (c D? If x < 0 and y > 0, then it is always true that _______. a) xy is a negative number b) x + y is a negative number

Physics
A mass of 100 gram is fallen down,which will be the kinetic energy after 5 second of its fall?

math
a memo cube is1 cubic unit. christine packs 6 memo cubes into a box. there is room in the box for 8 more cubes.what is the volume of the box?

Statistics
Consider a basketball game where a player throws from the free throw line. Her success rate is 65%. If she throws 10 times in a game determine the following:The mean and standard deviation of this binomial distribution.

english
How often does it flood in the uk?

statistics
Boxes of bran flakes are known to be normally distributed with a mean weight of 475g and a standard deviation of 10g.Calculate the probability of a box having a weight exceeding 485 grams. Calculate the probability that the mean weight of sixteen boxes

Statistics
This is a standard deviation contest. You have a six sided die with the numbers 1 to 6 written on the faces. a)In order to have the smallest possible standard deviation what number(s) would have to show up if you rolled the die five times? b)In order to

Statistics
DIAGRAMS MUST BE DRAWN Given the standard normal distribution, determine:Prob Z greater than 1.50 Prob Z between1.06 and 1.96 Given the standard normal distribution determine the Z values that contain 80% in the middle of the curve.

Chemistry
Glutamic acid is triprotic amino acid with pKa values of 2.23, 4.42, and 9.95. You are given a 0.100 M solution of it in its fully protonated form (H3A). How many moles of KOH must be added to 100 mL of this solution to make a solution with a pH of 5.00. I

chemistry
Calculate the pH of each of the following strong acid solutions. 0.697 g of HClO3 in 2.97 L of solution. so i convenrted grams to moles then moles/L to get M of HCl03 then i did log of that cocentration and put htat as the ph. did i do something wrong? i

squared
15.68 squared

World History
How did Julius Caesar gain power.

math
Miss Ramirez has invested $6,000 at 5%. How much additional money must she invest at 8% so that her annual income from the two investments will be 6% of the total amount invested?

World History
What did Julius Caesar do after taking over Rome?

World History
Why did Julius Caesar lose power?

Chemistry
I was given extra credit to find who Le Châtelier's High School Principal was. Not his PrincipLE, but his PrincipAL. My chemistry teacher told us only one student of his out of all these years came with the answer. Think outside of the box. Thanks.

chemistry
How to convert centimeters into grams

chemistry
Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy

History
Which parts of the Holy Roman Empire remained predominantly Protestant?

spanish
dbíuaesnso

statistics
The U.S. Census Bureau reported 77% of the U.S population had internet access in 2009. Choosing 3 random individuals find the probability that a. none of the 3 inidivuals has internet b. all of the individuals have internet access c. at least 1 of the 3

AP chemistry
what is the volume occupied by a mixture of 25.7 g of NO2 and 13.9g of SO2 at STP

physical science
Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1

english
are there any figurative language in the book Witch hunt the mysteries of salem?

Chemistry
A solution contains 0.0273 M HNO3, 0.0302 M HI, and 0.320 M formic acid, HCOOH. What is the pH? A solution contains 0.160 M Ba(OH)2 (strong base) and 0.360 M ammonia, NH3 (weak base). What is the pH? I'm really not sure how to do this. I tried and got .443

SPANISH 3 URGENT!!!!!!!!!
combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada

algebra
a football kicker makes 3 out of every 5 field goals. at this rate , if he attempts 65 field goals , how many will he miss

physical science
You wish to heat 30 kg of water from 60°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this correspond?

Chemistry
A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass, in grams, of calcium phosphate will be formed? What will be the concentration of each of the ions in the mixture after the reaction? (b) [Ca2+] (c)

algebra 2
if a frog catches 8 bugs in 3 hours , how many will the frog catch in one week ?

computer
Using pseudocode, write a program on how you turn a corner in an automobile. Note that there is a stop sign in the intersection. Determine the logical steps involved and write the pseudocode. Consider the following questions when completing your

Geography
Would outdoor locations in countries such as Singapore with the highest temperatures also have the highest relative humidities? Explain 2 reasons? Would outdoor locations in countries such as Singapore with the highest temperatures necessarily have the

Quantum Computation
1. What is ZX applied to 0> ? 2. What is ZX applied to H0> ? Answer in form of: a0> + b1>

child care managemen . resource file graded projec
do you guys have the penn foster resource file graded project ? if you do , can you guys help me please ?

physical
When 1 g of gasoline is burned in an engine, about 48 kJ of heat is produced. How much mass is lost in the process? Do you think this mass change could directly measured

chemistry
If Kf = 1.86C/m, how many grams of calcium chloride must be added to 1.0L of water (assume a density of 1.0 g/mL) to lower the freezing point 4.0 C?

calculus
Integral of 10 / (5x^2  2x^3) Do not determine the numerical values of the coefficients. Just wanted to know why when I write out the form of the partial fraction decomposition there is A/x + B/x^3 + C/ (x^2 + 4) Why isn't it just A/x^3 + B/ (x^2 + 4)?

math
find the present value of $2000 in year 4 at 7% compounded monthly?

Intro Chem
A block of aluminum with a volume of absorbs 67.4 J of heat. If its initial temperature was 32.5 °C, what is its final temperature?

physical
A 70kg man and a 50kg woman are in a 60kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can

statistics
The composition of the 108 congress was 51 republican 48 democrats and 1 independent.a committee on aid to higher education is to be form with 3 senators to be chosen random to head the committee. find the probability that the group of 3 consist of, all

english
one purpose of the summary is to ?

maths
f and g are functions defined as f(x)=5x+6/2x−2 and g(x)=4x/3x−2. What is the value of (f∘g)(4)? Note: f∘g denotes the composition of the 2 functions.

Physics
what is the volume of water displaced for 1.1 of pure gold.

Physics
Could someone please explain how you get this answer??? A skier with a mass of 60.0 kg pushes off with a horizontal speed of 3.0 m/s from the top of a snow covered hill. As he slides down the hill, his height decreases by 42 m over a distance of 100 m of

maths
Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.

Math
a banner requires 1 1/2 sections of plastic. How many banners can be made from 12 sections of plastics? A.7 B.8 C.9 D.15

Physics
in a wire AB of uniform cross section in which a potential gradient of 0.1 V/m exist.If the balancing point is foung to be 180 cm from A then what is the Emf of the cell?

Physics
X and Y are two capacitors(parallel plate) connected in series to a 12V supply.X has air between the plates and its capacitance is 10microfarads.Y contains a dielectric medium of K=5.calculate capacitance of Y and the potential difference between the

Management for Organizations
Please, Would someone check my answers??? Thanks. 7. The organizing function includes all but one of the following activities: (D) A..job design B..increasing departmentalization C..establishing authority relationships D..destabilizing authority

Adult Education
the correct answer as follow: 1. the status of a task in progressis known as (A)mail,(B)record,(C)feedback,(D)information

Com/330
What are two practical applications for communications research?

Math
2/3/3= A. 2/9 B. 1/9 C. 1 D. 2

maths
if the points A(1,2) , B(2,3) , C(3,2) and D(4,3) are the vertices of parallelogram ABCD, then taking AB as the base , find the height of this parallelogram .

Grammar.....
Is the sentence correct? When I checked the school website it says that there is no school on Friday.

math
write a pythagorean triple in whichthe middle number is 56

math
write a pythagorean triple in wich the smallest number is 69

account
what is error of accounting principel

Chemistry
Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the can were heated to 1155 °C?

L.o
4 factors you can take to deal with the unethical behavior

math
find the compound interest on 2650 naria in 5yrs at 7 and half % per annum.

algebra
Solve the following system of equation using the graphing method. Y = negative X Y = X + 9 Don't know what to do. Thank u if u can helpme.

Math
There are 38 animals at a farm.some are cows some are chickens all together there are 124 legs . How many cows and how many chickens?

maths
If the point A(1,2), B(2,3), C(3,2), and D(4,3) are vertices parallelogram ABCD, then taking AB as the base , find the height of this parallelogram

french
Ill ya combine de saisons dans une annee? nommeeles

Chemistry
How can I find the initial rate of formation of products {mol/((L)(s))}?

maths
If the point A(1,2), B(2,3), C(3,2), and D(4,3) are vertices parallelogram ABCD, then taking AB as the base , find the height of this parallelogram

french
Quel temps faitil au printemps?

Math
There are 38 animals at a farm .some are cows and some are chickens . All together there are 124legs. How many cows and how many chickens?

Manufacturing Process
Write out the full name of and list three properties of each type of ARC welding process shown below: SMAW FCAW GTAW

Manufaacturing Process
What important role does a backing strip play in a welding process?