Questions Asked onSeptember 4, 2013

1. Biology

Which of the following is a correct statement? A. Decomposition is an important part of only two of the three nutrient cycles. B. The nutrient cycles contain paths of elements through the living world but not through the nonliving world. C. Living

asked by Cassie
2. Geography

How do the three basic geographic characteristics affect a nation? My answer: The three basic geographic characteristics affect a nation in various manners. Size affects a nation because a larger nation, such as United States, China, or Russia, has the

asked by Anonymous
3. university

An autos velocity increases uniformly from 6m/s to20m/s while covering 70m.find the acceleration and the time taken.

asked by Anonymous
4. Geography

Why do local and regional political systems exist? My answer: Local and regional political systems exist because smaller political units enables governing to be more efficient.

asked by Anonymous
5. AP Physics

You can obtain a rough estimate of the size of a molecule by the following simple experiment. Let a droplet of oil spread out on a smooth water surface. The resulting oil slick will be approximately one molecule thick. Given an oil droplet of mass 10.00

asked by Brittany
6. Physical Science

The Magnetic field lines of a bar magnet begin near the magnet's _____________. I believe this question is asking where the lines begin (ie leave) the bar magnet...which would be the north pole.

asked by Danny
7. physics

A small sphere of charge q1 = 0.840 µC hangs from the end of a spring as in Figure a. When another small sphere of charge q2 = -0.546 µC is held beneath the first sphere as in Figure b, the spring stretches by d = 3.18 cm from its original length and

asked by Anonymous
8. Algebra 2

The arch of the Gateshead Millennium Bridge forms a parabola with equation y=-0.016(x-52.5)^2+45 where x is the horizontal distance(in meters) from the arch's left end and y is the distance (in meters)from the base of the arch. What is the width of the

asked by Krystal
9. Math 7th grade

Write a mixed number for each time period. Be sure each fraction is in lowest terms. 8:00am to 9:20 am Not sure how to set up

asked by Courtney
10. physics

WA -10.0 nC point charge and a +20.0 nC point charge are 15.0cm apart on the x-axis.hat is the electric potential at the point on the x-axis where the electric field is zero?

asked by abby
11. Physics

Consider the equation v = 1/8zxt2. The dimensions of the variables v, x, and t are [L]/[T], [L], and [T], respectively. The numerical factor 8 is dimensionless. What must be the dimensions of the variable z, such that both sides of the equation have the

asked by Natalie
12. order of operations

Find the value of the expression below for r=4 and t=2 t^3-r+20 divided by r 9 72 6* I chose this one 40

asked by alex
13. physics

A helicopter is ascending vertically with a speed of 5.03m/s . At a height of 132m above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground?

asked by aaron
14. URGENT 8th Grade Math

Write a word phrase for the algebraic expression 3x-7. The difference of three times and number x and seven. The difference of seven and three times a number x. Three times a number x fewer than seven.** The quotient of three times a number x and seven.

asked by Gabby
15. Geography

What is the difference between natural and artificial boundaries? My answer: A natural boundary is based on physical features of land, such as rivers, lakes, or chains of mountains, whereas an artificial boundary is a fixed line generally following

asked by Anonymous
16. Physics

Identical point charges of +2.9 µC are fixed to three of the four corners of a square. What is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force

asked by Amanda
17. physics

A car starts from rest and travels for 5.3 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.3 m/s2. The breaks are applied for 1.60 s. How fast is the car going at the end of the braking

asked by jahlen
18. 6th grade math

Can you check the following problems? Tell if the problem can be solved by using GCF or LCM and then solve. 1. Joanne is campaigning for class president and plans to distribute 20 flyers and 16 buttons. She wants each classroom to receive an identical set

asked by Alex
19. Physics

A boy sledding down a hill accelerates at 1.55 m/s2. If he started from rest, in what distance would he reach a speed of 6.90 m/s?

asked by Anonymous
20. History (Western Society)

How does hammurabi's code reveal about babylonian society?

asked by C.P
21. Calc

Recall that the average velocity between times t1and t2 is calculated using vave = y(t2) − y(t1)/t2 − t1. We are given that y = 14t − 1.86t^2. Evaluating at t = 1, we have y(1) = 14(1) − 1.86(1)2 = 12.14. Thus, the average velocity between times 1

asked by P
22. Physics; help please :)

A transverse wave is observed to be moving along a lengthy rope. Adjacent crests are positioned 2.4m apart. Exactly six crests are observed to move past a given point along the medium in 9.1 seconds. Determine the wavelength, frequency and speed of these

asked by Celine
23. Algebra - Equations

If 3xy = 9xz = 12yz = 1, what is the value of x, y, and z? This is just a set of 3 equations: 3xy=1 9xz=1 12yz=1 ⇒(18xyz)^2=1 ⇒ xyz = ± 1/18 ⇒ (x,y,z) = ±(2/3,1/2,1/6) PLEASE TELL ME HOW DID THE SOLUTION CAME UP WITH xyz = ± 1/18 and (x,y,z) =

asked by Raz
24. Statistics (Please help!!!)

The following table gives the number of deaths due to accidental falls for each month during 1970. Is there any evidence for a departure from uniformity in the rate over time? That is, is there a seasonal pattern to this death rate? If so, describe its

asked by Joy
25. physics

A car starts from rest and travels for 5.3 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.3 m/s2. The breaks are applied for 1.60 s. How fast is the car going at the end of the braking

asked by jahlen
26. Physical Science

The primary colors of pigments A. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in equal amounts to produce black. D. all of the above I think it's D.

asked by Danny
27. Marketing

Which of the following best describes a target market? a. a business-to-business market b. a group of people most likely to become customers c. a group of people most likely to have the same interests d. a company's market share I couldn't find much info

asked by Josh
28. physics

A person throws a rock straight up into the air. At the moment it leaves the person's hand it is going 81 mph. When the rock reaches its peak, how fast is it going and what is the magnitude and direction of its acceleration? Ignore air drag. Express your

asked by Anonymous
29. physics

A sports car moving at constant velocity travels 130m in 4.7s, what is the magnitude of acceleration if car brakes at 4.4m?

asked by Anonymous
30. math

Three individuals form a partnership and agree to divide the profits equally. X invests \$4,500, Y invests \$3,500 and Z invests \$2,000. If the profits are \$1,500, how much less does X receive than if the profits were divided in proportion to the amount

asked by asfa
31. physics

A steel rod is 3cm in diameter at 25C. A brass ring has an interior diameter hole of 2.994cm at 25C. At what common temp will the ring just slide onto the rod? alpha(steel)- 11x10^-6 alpha(brass)= 19x10^-6

asked by key
32. science

What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!

asked by Daisy
33. bio 11

must the steps in the scientific method always be followed in the same order? Explain.

asked by alyssa
34. Algebra

The density of aluminum is 2.70 g/cm3, and the average mass for one aluminum atom is 4.48×10-23 g. Five identical aluminum coins are found to displace a total of 2.50 mL of water when immersed in a graduated cylinder containing water. How many atoms are

asked by Anonymous
35. math word problems.

The candy factory sells three times as many mints as it sells almonds bars. It sells half as many almond bars as it sells caramels. If It sells 3,750 cases of mints each month, how many caramels does it sell in one month?

asked by Anonymous
36. early childhood currirulum

Penn foster Test exam questions exam number 405550

asked by Andria
37. Urgent math question for Reiny

Find the value of the expression below for r=4 and t=2.... t^3-r+20 divided by r 9*** 72 6 40 Ok, Reiny you said my answer9 was originally wrong, however when I looked at the work you did and you put in parenthesis()....my question is why, because the

asked by Gabby
38. jru-physics

what potential energy is acquired by a block of steel whose mass is 50 kg when it is raised 200 cm?

asked by rachel
39. English

We plant two bean seeds in different pots. What's the subject?

asked by Josie
40. ANais Nin: Quote Intrepretation

In your own words, explain the following quote by Anaïs Nin: We do not see things as they are, we see them as we are. How is this? Does it sound okay? It is how I interpreted. Thanks. It means that we do not see things how they are, but we see them how we

asked by rockrboiluvr14
41. Algebra

A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in millimeters? (Density of Al = 2.699 g/cm3?

asked by MissSixx
42. Math

in the numeral 3,000,000, there are how many thousands

asked by Ron
43. Algebra

The density of iron is 7.87 g/cm3, and the average mass for one iron atom is 9.28×10-23 g. How many atoms are there in a rectangular iron ingot measuring 3.00 cm × 3.00 cm × 9.00 cm?

asked by Anonymous
44. art

What's the 9 principles of design I know balance,unity,variety,movement, and emphasis...but the rest..idk

asked by Ashlynn
45. Geography

What physical features make up the natural boundaries between the United States and Canada?

asked by Anonymous
46. maths

This qusetion was about a journey between two towns. During the start of the journey the odometer reads 39593 ( the reverse of the no is also the same) and at the end of the journey again the odometer reads a number similar to prior one....If the max speed

asked by Dhivya kavi
47. math

6.5 meters divided by 0.625....what's the answer and how did you solve it

asked by Kearra
48. History (Western Society)

What was the difference between human life before and after the Neolithic revolution including the development of civilizations and empires in the river valleys of Mesopotamia.

asked by C.P
49. physics

An ideal gas, for which gamma=1.5, undergoes an adiabatic expansion in which its volume is doubled. if the initial temp if the gas is 27 C, what is the final temperature of the gas?

asked by key
50. Physics; help please :)

Two wires made of the same material of density 7240 kg/m3 and having the radius in the ratio 1:2 but the same length 1.54 connected together and stretched by a force of 540 N. If the speed of a transverse wave through the thinner wire is 3600 m/s,

asked by Celine
51. VERY URGENT Language arts

“First of all I dismembered the corpse. I cut off the head and the arms and the legs? What kind of context clues helps you determine the meaning of dismembered? Characteristics Contrasting words Examples Explanatory words and phrases*** Am I correct?

asked by Gabby
52. HELP! Geometry

Determine the slope of a line perpendicular to the line shown. (3,5) and (7,-8) A. -4/13 B. 13/4 C. -13/4 D. 4/13

asked by Unknown
53. Algebra 2

What is the slope of the line that passes through the points (-2, 4.15) and (1, 1.24)? Here's my work: m= y2-y1 / x2-x1 m+ 1.24-4.15 / 1 - (-2) m= -2.91/3 Is my answer correct? I really appreciate your help! Algebra isn't the easiest for me

asked by Josh
54. Math

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

asked by Anonymous
55. Health

I need to interview an adult about how health care changed in their lifetime. I don't have anyone to interview so can someone that is an adult can you please tell me how health care have changed. Medical Advances Changes in Cost Changes in the relationship

asked by Laila
56. algebra

In 2010 a company reported a net income loss of 23.8 million. In 2011 the company reported a net income gain of 10.4 million. How much more income did the company earn in 2011 than in 2010

asked by Kyle
57. To Wyatt re English 101

I don't like leaving that entire test available online, so I'll post my response to you here: 1 - 31 are correct. Incorrect = 32 33 and 34 are correct, but they sure are clumsy, aren't they? 35 is odd -- your second sentence implies that baseball (what?

asked by Writeacher
58. Physics

Vector C has a magnitude 25.8 m and is in the direction of the negative y axis. Vectors A and B are at angles á = 41.9° and â = 26.7° up from the x axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

asked by Greg
59. Please help Physical pharmacy

How does KH2PO4 induce controlled flocculation?

asked by jane
60. Geometry; Check answers?

Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine ifLINE:AB and LINE:CD are parallel, perpendicular or neither. A. parallel B. both perpendicular and parallel C. perpendicular D. neither MyANSWER: A

asked by Unknown
61. physics

A boy sledding down a hill accelerates at 1.20 m/s2. If he started from rest, in what distance would he reach a speed of 7.00 m/s?

asked by james
62. physics

A boy sledding down a hill accelerates at 1.20 m/s2. If he started from rest, in what distance would he reach a speed of 7.00 m/s?

asked by james
63. Maths

Eq of curve is y=b sin^2(pi.x/a). Find mean value for part of curve where x lies between b and a. I have gone thus far- y=b[1-cos(2pi x/a)/2]/2 Integral y from a to b=b/2(b-a)-ab/4pi[sin(2pi b/a)-sin2pi) MV=b/2-[ab sin(2pi b/a)]/(b-a) Ans given is b/a. I

asked by MS
64. Organic Chemistry

My original question was that I wished to dissolve 100mg of caffeine powder in oil but could not do it as caffeine was not soluble in oil. The answer was to dissolve soap in the oil first, then the caffeine. I've done some research and I propose to

asked by Joy
65. Geography

What will the rate of natural increase be like if the birth rate is high and the mortality rate is low?

asked by Anonymous
66. probability

A random sample of six integers in the interval [1,42] is to be drawn. The numbers are selected randomly, one after the other, and repeats are allowed. What is the probability the six numbers in the sample will all be different?

asked by zach
67. Vocabulary

which 2 words are most nearly opposite in meaning? Acute, bumbling, optional, taut Answer: Bumbling and Taut The antonym for Bumbling is efficient. Taut is Marked by the efficient, sparing, or concise use of something, Is that correct?

asked by cici
68. Physics

This question has to do with kinematics graphing. I CAN NOT REPRODUCE THE GRAPH BUT hope that some help can be given to me with this question. The position versus time for a certain object moving along the x-axis. The object's initial position is -2 m.

asked by Deawn
69. Math

Find the derivative of y=sin(x)*(sinx+cosx)

asked by Anon
70. Science

How does using a scale model make these relationships easier to understand?

asked by April
71. Science

True or false? decomposition is an important part of only two of the three nutrient cycles I think it's true. Thanks

asked by Cassie
72. French

I'm doing a French crossword puzzle, and I'm stuck on one of the words. It's a four letter word like: _a_d And it fits in the sentence: Le train part de la____ de Lyon. Could someone help me out? Thanks!

asked by Erika
73. Math

This is Translating Problems into Equations: (a) Ms. Dixon had a 25ft ribbon that was cut into two peices. (b) One piece is 6ft longer than the other. Ms. Dixon --> Ribbon/Pieces --> Equation -->

asked by Jessica
74. biology

You need a 5 microgram glucose/ml aqueous solution, but the lab balance is accurate to only 0.01g (ie., it displays 2 digits to the right of the decimal point) Describe 2 methods by which you could accurately prepare this solution using the lab balance. I

asked by alex
75. early childhood ed

Test exam questions..exam 405550

asked by Andria
76. Algebra

Calculate the average density of planet Pluto, given its mean distance from the sun is 5.91×109 km, its radius is 1137 km, its volume is 6.157×109 km3, its orbital period is 248.1 years and its mass is 1.25×1022 kg. Report the density in g/cm3, without

asked by JS
77. Physics

An AC voltage with 169 peak volts is applied across a 506 ohm resistor. To the nearest tenth of a watt, what is the average power?

asked by Jason
78. math

1. write the equation in slope-intercept form. what are the slope and y-intercept? -9x+10y=-9 2. what is the graph of the equation? -5x+y=-3 please help on these a.s.a.p thansk guys

asked by ray
79. physics

The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is L = 81.0 m. In part (a) the person is looking at the base of the antenna, and his line of sight

asked by Natalie
80. Chem

calculate the temperature change that occurs when 229 cal of heat are added to 22g of water

asked by Toni
81. Statistics (Please help!!!)

Here is the question: If gene frequencies are in equilibrium, the genotypes, AA, Aa, and aa occur in a population with frequencies (1-0)^2, 20 (1-0), and 0^2. Plato et al.published the following data on haptoglobin type in a sample of 190 people: Hp1-1 =

asked by Joy
82. finance

if tiny tots has a outstanding debt currently selling for 800 per bond. it matures in 20 years pays interest annually and has 14% coupon rate par is 1,000, what is the after tax cost of the debt?

asked by tasha
83. physics

a man leaves the garrage in his house and drives to a neigbouring town which is twenty kilometres away from his house on sight-seeing. he returns home to his garrag two hours after. what is his average velocity from in home in km/h?

asked by Anonymous
84. Geometry

The length of one side of an isosceles triangle is two times the base b. This length is equal to (8b - 12),in. What is the value of b?

asked by Andy
85. Math

A student used points (150,80) and (50,30) but wrote the equation y=5x + 0.5. What mistake did the student make?

asked by Forward 27
86. Vocabulary

The story of the men who first climbed to the top of Mount Everest is a(n) (????????) of human courage and strength. My choices are: refute, delude, puncture, encompass, devastate, variable, retaliate, arid, maze, subordinate, culprit, beacon, facet, epic,

asked by cici
87. math

how is multiplying integers is like multiplying whole number?

asked by jay
88. Health

Ms.Sue can u please answer my question.

asked by Laila
89. programming

trying to debug pseudocode 2. Th e Springwater Township School District has two high schools—Jeff erson and Audubon. Each school maintains a student fi le with fi elds containing student ID, last name, fi rst name, and address. Each fi le is in student

asked by Andre
90. Quantum Computing

Suppose H|ψ> = 1/√2 (|000> + |111>). What is |ψ> ? Specify the probability amplitude for each component: |000> = |001> = |010> = |011> = |100> = |101> = |110> = |111> =

asked by Ravi
91. walden

4.During the energy crisis of the 1970s, and again in the last 5 years, Congress bemoaned the “price gouging” and “windfall” profits of the major oil companies. In the 1970s Congress imposed an “excess profits tax” on these companies. It did

asked by lafay
92. english........bridges

is 'Go Between Bridge' an important landmark for the country? Explain why or why not.

asked by leena
93. Urgent 8th Grade Language Arts

Choose I for each antecedent that is unclear or missing and C for each antecedent that is used correctly. Thanks so much for you help. 1. We can't go to the aquarium Monday because you need reservations. C 2. Many people have Monday off, so the aquarium

asked by Gabby
94. AP Calc

Find the equation of the tangent line at the indicated point. y=5th root of (3x^3+4x) at (2,2)

asked by Anon
95. probability

In a random sample of three integers between 1 and 365 inclusive, what is the probability, to three decimal place accuracy, that (a) the three numbers will all be di fferent; (b) the three numbers will not all be di fferent?

asked by denim
96. Algebra

I'm having trouble with this literal equation. r^2/r^2+a^2=w/x solve for w. Thanks so much for the help

asked by Elva
97. Math

A student used points (150,80) and (50,30) but wrote the equation y=5x + 0.5. What mistake did the student make?

asked by Forward 27
98. chemistry

determine the mass of a 1.75 cm piece of Mg if 30 am =.42 g?

asked by Mohammad
99. Chemistry

-A sample consist 90% NaOH and 10% CaO,whats the concentration of NaOH in the solution of this 3g sample,dissolved in 250cm3. -How many cm3 of H2SO4 with concentration of 0.255M are needed for titration of 100cm3 of this solution

asked by plsHelp
100. Physics

I have a graph where the horizontal numbers are 0-9 which represents time (s) and the vertical numbers are 0 to -4, -2, 0, 2, 4, 6, 8 which represents position(m). The question is: the position versus time for a certain object moving along the x-axis The

asked by Deawn
101. Math

Area is 9 ft. And height is 2 ft. Of a triangle. What is the base?

asked by Julian
102. Geometry

Find the slope of a line parallel to the line passing through points at (1, -2) and (3, 2). A. 1/2 B. undefined C. 0 D. 2

asked by Unknown
103. Geometry

Given the points A (-3, -2), B (1, 4), C (3, -4) and D (0, -2), determine [line ab] if and [line cd] are parallel, perpendicular or neither. A. parallel B. perpendicular C. both parallel and perpendicular D. neither

asked by Unknown
104. math

longest multipcation combination for 120 180 and 210

asked by marco
105. Geometry

A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?

asked by Court
106. math analysis

Disprove: For every integer a, if 8 divides a, then 6 divides a. im still stuck. i wrote: Disproof. Suppose 8|a. by definition of divisibility, we know 8|a means there is an integer b with a=8b. There is not value of y.

asked by cosette
107. math analysis

i don't know what it mean "~" Exercise: Describe the practical meaning of ~(p v q) using sentences.

asked by cosette
108. LMI

I am looking for the patern of 0,2, 5,9, or sequence of them

asked by miguel
109. Math

Our teacher handed out handfuls of m&ms to each student in class. We were divided into 4 groups of 5 each. We had to count the colors of each of our handfuls of m&ms. Would this be considered a random sample? why or why not? I know the definition of random

asked by Brandi
110. computer please hurry!

How to change marquee background color one by one automatically.

asked by shresth tejaswi
111. English

Is 'together' a noun?

asked by Anonymous
112. andover leke

janna wrote this number 413,900 what is the valu of the digit in the ten thousands plase? 400,000 40,000 10,000 3,000

asked by alexis
113. Quantum Computing

Suppose we have |ϕ⟩=∑y∈{0,1}nβy|y⟩ such that βy=0 if s⋅y=1mod2 and βy=12(n−1)/2 if s⋅y=0mod2, where s is some hidden n-bit string. Assume that s is not the all-zero string 00⋯0. (a) If we run Fourier sampling on |ϕ⟩, what is the

asked by Ravi
114. Math

Harold has been given this list of equivalent fractions:6/14,12/28,3/7.He is supposed to choose the fraction that is in simplest form.Which one should Harold choose?

asked by Anonymous
115. Math

Area is 9 ft. And height is 2 ft. Of a triangle. What is the base?

asked by Julian
116. Algebra

Factor the expression 1/3x - 5/6 = 1/6(?)

asked by Anonymous
117. chemistry

determine the molecular mass of magnesium oxide?

asked by Mohammad
118. AP Calc

How do you find the derivative of y=sin(x)*(sinx+cosx)

asked by Anon
119. Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

asked by Yeng
120. Geography

What waterway leads from the Great Lakes to the Atlantic Ocean?

asked by Anonymous
121. physics

an ball of mass initially at rest fragments into two masses each of 1 kg moving with speed 0.6c. find the mass of original body

asked by gj
122. chemistry

for a reversible reaction if the concentration of reactant are doubled aad a definate tempreture then equilibrium constant will

asked by Anonymous
123. andover leke

janna wrote this number 413,900 what is the valu of the digit in the ten thousands plase?

asked by alexis
124. physics

if a ball is tossed from ground level upward at a speed of 44 m/s how long will it take to reach its maximum height

asked by katie
125. Math

Is this a trick question? I need to write the number 79 in short word form, would it be seventy 10's and one 9 or 10 sevens and 9 ones? Please, please, please help me Thank You

asked by Sandy
126. Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

asked by Yeng
127. History (Western Society)

Explain the importance of the Hebrews to the development of western civilization including the ideas of monotheism, the covenant, the Torah and Christianity

asked by C.P
128. History

How did greek culture differ from those of the river valley civilizations? A. Eliminated social classes B. Became an atheist C. Emphasis on secularism

asked by Anonymous
129. history

why is the columbian exchange and pilgrims important to the U.S history? thank you!

asked by allie
130. Math

Mary Lou said that 16/20 is simple form is 8/10. What was her mistake? What is the correct answer?

asked by Anonymous
131. Math

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

asked by Anonymous
132. Math

|6-8| - |9| = -7?

asked by mysterychicken
133. Geometry

(5d + 5) - (d +1)

asked by Jacob
134. Math

A student used points (150,80) and (50,30) but wrote the equation y=5x + 0.5. What mistake did the student make?

asked by Forward 27
135. Math

Ms. Sue can u explain how you got the answer 240 in my post! The one wth PEMDAS!

asked by Kirk
136. math

find the area under normal distrubution curve at the right of z = -103

asked by judy jackson
137. Math

There are how many hundredsn the number 344,298

asked by Ron
138. Math

simplify fraction. 42/48

asked by Anonymous
139. bio 11

what is the only difference between a control set up & an experimental set up?

asked by alyssa
140. psychology

how do various behaviors of social dominance and coutship display affect the evolutionary process

asked by sally
141. Math

Please check these - as we were told they were wrong by a teacher: Find the mean, mode, median and range of the following 2 problems. 1. 70,31,13,12,31,53 mean - 35 median - 31 mode - 31 range - 58 2. 50,47,50,31,37,51,34,72,15 mean- 43 median - 47 mode -

asked by Cassie