Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 514
1. Child Care

When Working with special needs/learning disabled children, caregivers should A.provide positive role models for them B.ignore their disabilities C.try to do as much as possible for them D.instruct other children to disregard them I chose A as my answer

asked by Brenna on February 21, 2009
2. math

a boy walks 50m from the bottom of a building lies down and notes that he has to raise his eyes through 42 degree from the horizontal. what is the height of the building? i am doing tan(42)=x/50 but the answer is supposed to be 45m. how do i get that?

asked by chris on February 3, 2011
3. Math

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering \$1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

4. Algebra II

Solve 2x^2=3x+2 by graphing. If excat roots cannot be found, state the consecutive integers between which the roots are located. I don't have an answer but I made a table and plugged in these values for x respectfully: -1/4, -2/4, -3/4, -1, 0 Thats all I

asked by Jon on March 1, 2008
5. Physics

3. A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon. It hits the ground 10.0 m below its initial position. What is its speed just before hitting the ground? Ignore air resistance. The answer is supposed to be 17.2 m/s.

asked by James on July 28, 2012
6. chemistry

What mass of solid sodium formate (of MW 68.01) must be added to 115 mL of 0.57 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.16? Ka = 0.00018 for HCOOH. Answer in units of g

asked by Anonymous on January 31, 2015
7. Politics

The typical Democratic voter A. supports limited government B. supports civil rights C. is a corporate CEO D. favors fundamentalist Christian social positions The answer is D

asked by Anthony on December 13, 2013
8. GA State History

1. How did mechanization change the agricultural industry? (Choose all that apply. (2 points) I think the answers are It increased production of crops, and It caused the cotton industry to decline. Can you check the answer for me? Thank you.

asked by Anonymous on March 28, 2016
9. science

The gas-phase reaction, A2 + B2 --> 2AB, proceeds by bimolecular collisions between A2 and B2 molecules. If the concentrations of both A2 and B2 are doubled, the reaction rate will change by a factor of.....? Will you please explain instead of just giving

asked by pepe on May 5, 2016
10. Physics

The block of mass 3.43553 kg has an acceleration of 2.1 m/s^2 as shown. / / F a _____________

asked by Jules on November 20, 2016
11. Physics

A particle is acted upon two forces given by the vector equations, F1=1.5i-0.7j and F2=-3.1i+3.6j, with values measured in Newtons(N). Calculate the resultant force, in N, acting on the particle, giving your answer to 3 dec places.

asked by Annoymous on March 5, 2012
12. college algebra

Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4^(x − 3) = 3^(2x) x = _____

asked by Dee on November 18, 2013
13. Chemistry

Assume that you start with 2 mole(s) of magnesium metal, determine: The number of grams of MgO(s) that would be produced in the following reaction (enter your answer with 4 significant figures): Mg(s) + 1/2O2(g) → MgO(s)

asked by Meechel on October 11, 2014
14. Art

For which purposes was this piece of art most likely created? Aesthetics and expression. Entertainment and historical. Utilitarian and aesthetics. (MY ANSWER) Picture. Net pattern bowl by unknown artist.

asked by Hayley on August 10, 2017
15. physics

A flowerpot falls from a window sill 37.6 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s Please show me the formula and steps i would use to solve

asked by John on September 7, 2011
16. Physics

A driver in a car traveling at a speed of 76 km/h sees a cat 109 m away on the road. How long will it take for the car to acceler- ate uniformly to a stop in exactly 106 m? Answer in units of s

asked by Lily on September 25, 2012
17. Math

Riddle: It's 7:00 AM. You are asleep and there is a sudden knock on the door. Behind the door are your parents who came to have breakfast. In your fridge are bread, milk (pasteurized), juice, and a jar of jam. To answer, what will you open first?

asked by Terry on May 15, 2019
18. math

Let F1 = (0,2), F2 = (0,-2), and P = (x,y). Use the distance formula to convert the equation PF1 + PF2 = 6 into Cartesian form. Simplify your answer until it reaches the form hx^2+ky^2=m. I tried solving this but I got stuck with all the square roots and

asked by maath on August 9, 2018
19. science

A jet plane lands with a speed of 110 m/s and can decelerate uniformly at a maximum rate of 5.7m/s^2 as it comes to rest. Can this plane land at an airport where the runway is 0.91 km long? I have to answer by Calculating...HELP!

asked by Jaeka on January 12, 2011
20. chemistry

For the reaction 2 Na + 2 H2O -------> 2 NaOH + H2, how many grams of hydrogen gas are produced when 133.6 g of water are reacted? I tired it like the steps to the last one and I still got answer wrong can you please show steps you would perform?

asked by Kalli Simpson on May 17, 2014
21. math 157

Assume that a researcher randomly selects 14 newborn babies and counts the number of girls selected, x. The probabilities corresponding to the 14 possible values of x are summarized in the given table. Answer the question using the table.

asked by Anonymous on April 7, 2010
22. Math

What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place.)

asked by Ronald on June 12, 2013
23. physics

Someone in a car going past you at the speed of 35 m/s drops a small rock from a height of 1.5 m. How far from the point of the drop will the rock hit the ground? The acceleration due to gravity is 9.8 m/s2. Answer in units of m.

asked by Melissa on October 21, 2014
24. math

Our teacher gaves us a rational graph and we are supposed to determine its equation, there is more than one answer. So the aymptotes are vertical= x=-5 and x=2 horizontal asymptote= y=2 then there is a cubic function that crosses the x-axis at -2,0 and the

asked by dani. on October 26, 2010

A 22 kg girl slides down a playground slide that is 3.6 m high. When she reaches the bottom of the slide, her speed is 1.7 m/s. The acceleration of gravity is 9.81 m/s2. How much energy was dissipated by fric-tion? Answer in units of J

asked by Ashley on March 30, 2012
26. physics

A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 15 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.3 s, starting from rest? Answer in units of m

asked by John on November 8, 2012
27. precalc

If a savings fund pays interest at a rate of 10% per year compounded semiannually, how much money invested now will amount to \$5000 after 1 year? Please round the answer to the nearest cent.

asked by Anna on October 31, 2010
28. physics

i tried doing this on my calculator but i keep getting the wrong answer..can someone try it on theirs and tell me what they got? thanks Substitute the period in seconds, T = 86,400 s, the gravity constant G = 6.67 multiplied by 10-11 kg-1 m3/s2, and the

asked by cb on March 15, 2009
29. English

HI tutors, I was watching a video on youtube about BONO (singer) and I don't understand the question in the minute 7Â´ I would like someone can write me the answer in english thanks Bono Talks About Activism And Family

asked by edith on August 6, 2017
30. chemistry

What is the percentage yield of the reaction of 4.9 g isoamyl alcohol with 4.9 g of acetic acid if 3.5 g of isoamyl acetate product is obtained after distillation? Enter your answer, without a % symbol, to 2 sig. figs.

asked by sparkles on October 11, 2014
31. Psychology

Survey results may be inaccurate due to: a. participants who do not tell the truth b. the bias of respondents c. the use of a representative sample d. failure of most statistical procedures in analyzing the results of surveys I believe the answer is A, not

asked by Deb on February 2, 2012
32. Chemistry NMR

3h 2h 1h 4 3 2 1 0 ppm C2H6O I tried to duplicate the spectrum for this compound. I'm guessing its ethanol but I don't know how to answer the following questions for each peak 1,2,3....1.Chemical shift(ppm) 2.Multiplicity(splitting) 3.Integration(# of h's)

asked by Andy on March 29, 2010
33. physics

A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 4.9×105 N, how long does it take to increase the speed of the train from rest to 74 km/h? Answer in units of min.

asked by jenn on March 30, 2011
34. physics

A shopper in a supermarket pushes a loaded 31 kg cart with a horizontal force of 12 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.6 s, starting from rest? Answer in units of m

asked by Jessica on November 14, 2011
35. physics

A shopper in a supermarket pushes a loaded 31 kg cart with a horizontal force of 12 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.6 s, starting from rest? Answer in units of m

asked by Jessica on November 14, 2011
36. english

In "Why, You Reckon?" what argument does the other man use to convince the narrator to team up with him? What lesson do you think the narrator learned by the end of the evening? I have part of the answer but I don't now how to put it in ACE format.

asked by Nicole on January 23, 2015
37. History

John F. Kennedy replaced Eisenhower's concept of massive retaliation with a _____response 1. massive 2. flexible 3. limited I had answered focused, and got it wrong on the exam. Now I just have to know the right answer. Please advise. Thank you

asked by Suz on November 4, 2015
38. Algebra

What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place.)

asked by Mary Ann on May 26, 2014
39. Global

Which United States foreign policy was used to maintain the independence of Greece and Turkey after World War II? a) militarism b) neutrality c) containment d) nonalignment Is the correct answer D, nonalignment?

asked by Anonymous on March 31, 2009

Hey ppl, I need help PLZ!!!!! I have all of the info on The Reconstruction Plans of 1865-1877, I just need help to get the answer of Who's Reconstruction Plan was better??? Was it, Abraham Lincoln's, Andrew Johnson's, or The Radical Republicans????

asked by Anonymous01 on May 1, 2017
41. Health care

Please check my answer tahnks :) You are Doctor who wans to join together wth other HMO doctors but not give up your individual practice what would be your best choice for doing that I think it might be primary care physicain practice

asked by Michalea on February 23, 2008
42. Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Input (x) Output (y) 32 20 14 2 ? -6 -2 -14 -10 ? Complete the function table and write the function rule.

asked by Sigma on May 8, 2019
43. science

Interpret Data. write the chemical equation for the following reaction: The elements sodium and chlorine combine to yield the compound sodium chloride. need help any help answer or a link idc

asked by HELP on October 4, 2017
44. Philosophy

1."Liberals need to understand the global health argument for abortion is deeply offensive. It is like fighting disease by killing everyone who has a disease" This contains: A. euphemism B. dysphemism C. rhetorical definition D. none of the above My answer

asked by Ashley on February 21, 2013
45. English

please check my answer thanks :) In addition to the information you include in a document, the_________ of your writing sends a message to the reader tone method length phase I picked tone

asked by Anonymous on November 11, 2007
46. College Physics

A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter? I have tried it several times and continue to get an incorrect answer.

asked by Anon14 on November 14, 2011
47. AP Chem

When 0.076 moles of lead(II) nitrate are dis- solved in enough water to make 670 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M

asked by Lutesia on October 9, 2011
48. Math

A car dealer will sell you the \$16,650 car of your dreams for \$3,290 down and payments of \$331.97 per month for 48 months. What is the APR? (Round your answer to the nearest tenth of a percent.)

asked by Kim on December 4, 2012
49. Physics

Someone in a car going past you at the speed of 23 m/s drops a small rock from a height of 1.9 m. How far from the point of the drop will the rock hit the ground? The acceleration due to gravity is 9.8 m/s 2 . Answer in units of m

asked by Caan on September 19, 2012

I have to answer the following question: What is the role for Employees? In my notes is states 1. Primary source of income 2. employment status 3. interbal reward I do not uderstand the question or how to explain those above....any help would be

asked by Jen on November 2, 2007
51. chemistry

Why is; a) antimony pentafluroide Sb(-3) + F5(-1) --> SbF4 ? b) aluminium bromide hexahydrate Al(-1) + Br(-1) --> AlBr3 . 6H2O ? The charges don't add up for (b), is there something to do with the "ide"? I don't get it. And for (a) how did "pentafluoride"

asked by annie on February 25, 2008
52. childhood Education

One of the major purposes of the personal interview is to relieve the anxieties of the A program director B caregiver C enrolling child an parents. D children who are already in the program. I belive the C is correct answer.

asked by Rosa on October 26, 2009
53. Government

Which is the main source of money used to pay for public primary and secondary schools? A. state funding B. federal funding C. local taxes D. parents of students The answer is not A!

asked by Anonymous on April 3, 2012
54. Statistics

Hello, my problem is I have a random sample of only 15 sales average is \$115 with a known population standard deviation of \$25.00. Obtain a 92% confidence interval and explain what your answer means. I am not sure what to do because the sample size is only

asked by kim on November 29, 2013
55. Physiology

Suppose you were to grind up and homogenate a pancreas. Do you think it would be possible to isolate insulin from this hemogenate? ( Hint: remember that the pancreas is also an exocrine gland, producing pancreatic juice) Explain your answer

asked by ivy on May 14, 2011
56. Chemistry

you have 505mL of a .125 M HCl solution and you want to dilute it to exactly .100. How much water should you add? I got (.125M)(505mL)=(.100M)(Vf)= 631.25. But on my answer sheet they got 126 mL of H2O???? I don't know how she got it.

asked by Gracy on October 15, 2011
57. Astro-Physics

Imagine you are in a spaceship one million km from a black hole of mass 2×1030 kg. Initially you are flying directly away from it at a velocity of 12.8 km/s. Using the n-body approximation, what is your velocity one second later? Type your answer in

asked by Anonymous on May 5, 2014
58. Can someone help me with world history

Can you give me something to look up? or explain how i could answer this? Explain how fear of communism during the Cold War affected American society. How did this affect the balance between national security and civil liberties?

asked by Anonymous on March 31, 2016
59. Math

Growth rate of odd size object: Start: 1.5" w by 1.5" l by .25" h End: 3.25" w by 3.50" l by .25" h Did this object increase by 600%? Some people tell me approx. 500% and 405% Which is it and how do you do the math for the correct answer?

asked by Tracy on November 15, 2013
60. physics

A glass window pane has an area of 3.50 m2 and a thickness of 0.600 cm. If the temperature difference between its surfaces is 27.0°C, what is the rate of energy transfer by conduction through the window? I tried using the formula P=ka[(th-Tc)/l] my answer

asked by tom on October 19, 2008
61. Math

Riddle: It’s 7:00 am. You are asleep and there is a sudden knock on the door. Behind the door are your parents, who came to have breakfast. In your fridge: bread, milk (pasteurised!), juice, and a jar of jam. To answer, what will you open first?

asked by Zac on December 4, 2018
62. CRT/205 critical thinking

"It should not surprise us that, with the attacks on traditional morality of the past thirty years, adoption--a traditional answer to unwanted pregnancies--would come under attack also." My question is: Is this a slippery slope fallacy?

asked by Linda on October 16, 2009
63. Calc

Is f(x)=|x+2| integrable? Please give a reason behind your answer. Yes, it is piecewise integrable. http://www.mathwords.com/p/piecewise_continuous_function.htm Could you explain that a bit more? I understand that is is continuous, but how does that relate

asked by Tezuka on November 27, 2006
64. physics

I'm very confused. What is the range of an arrow shot horizontally at 85.3 m/s if it is initially 1.5m above the ground? I'm guessing 1.5 is delta Y and initial velocity at 85.3 m/s and final velocity at 0 m/s. I just don't understand how I'm supposed to

asked by yeh on September 15, 2008

How do you build a strong bone from a piece of printer paper and make it hold at least 20kg? I need answer by tomorrow ASAP!!! No websites but just answers. Thanks a lot to whomever answers!!!!! :)

asked by Shayane on April 14, 2010
66. Chemistry

A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.

asked by n on May 1, 2014
67. Literacy

Which of the following publications are both listed under the "Magazines" results? A. Science News and Earth Island B. Astronomy and Science C. Odyssey and Natural History D. The Economist and American Scientist my answer is D

asked by Heather on January 17, 2012
68. Social Studies

What is the connection among sectionalism, slavery, and states’ rights as causes of the Civil War? How did the southern response to the 1860 election results demonstrate this connection? ///I’m not looking for an answer I just want someone to explain

asked by Bob the builder on January 22, 2018
69. Geography

Which landmark in the Northeast region represents the arrival of the Pilgrims on the Mayflower in 1620? a. White House b. Liberty Bell c. Plymouth Rock d. Statue Of liberty I think the answer is d.

asked by BUB on April 20, 2015
70. social studies

Bacon's rebellion: a. opposition to the tidewater aristocracy b. hostility to the British colonial policy c. distate for taxation without representation d. dislike of the house of house of burgesses I think the answer is A

asked by kyle on September 14, 2008
71. Chemistry 30

50.0 mL of 0.200 M NaOH neutralized 20.0 mL of sulfuric acid. Determine the concentration of the acid. Show a balanced chemical equation, all work, and the answer rounded to three decimal places.

72. Chemistry

A solution of AuCl- is mixed with a solution of Sn2+ under standard conditions. What is the equation? the answer is 2AuCl4- + 3Sn2+ -> 3Sn4+ + 2Au + 8Cl- how do i get this? ITS desperate... plz help me! THANK_YOU SO MUCH!

asked by Chemistry on June 14, 2012
73. Algebra

Bonus:This isb from a mathematics book published in 1880. If a horse trots 3 miles in 8 minutes and 15 seconds, how far can be trot in an hour at the same rate? My answer:8 miles (I don't know if this is right though.)

asked by Chey on May 21, 2018
74. Calculus

Use the Direct Comparison Test to determine the convergence or divergence of the series. Justify your answer and show all of your work. Sigma (lower index n = 1; upper index infinity) 4^n/(3^n-1)

asked by Jenny on February 11, 2013
75. Math

A playground is shaped like a rectangle with a width 5 times it's length (t). What is the simplified expression for the distance between opposite corners of the playground? a- tsq root 26 b- 5t c- 26t squared d- 6t my answer is d 5t 5t+t =x x=6t

asked by Steve on March 28, 2015
76. math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Input(x) Output(y) 32 20 14 2 ? − 6 -2 -14 -10 ? Complete the function table and write the function rule.

asked by Aleesia on May 20, 2019
77. US history-Religion

By 1960, about 65 percent of Americans: 1. prayed 2. believed in evolution 3. belonged to a church 4. read the Bible 5. believed in God There are no clear stats but 3 would be the most closest answer correct?

asked by HM on December 5, 2011
78. pre calc

A coin is tossed upward from a balcolny 370 ft high with an initial velocity of 16 ft/sec. during what interval of time? will the coin be at a height of atleast 50 ft (h= -16t^2 +vot + h0) is the answer 0>= t

asked by wally on October 22, 2014
79. PHYSICS!!

A 618 g sample of water at 73◦C is mixed with 478 g of water at 34◦C. What is the final temperature of the mix- ture? Assume no heat loss to the surround- ings. Answer in units of ◦C.

asked by Perla on April 11, 2010
80. physics

The compressor on an air conditionner draws 55 A when it starts up. If the start up time is 0.50s how much charge passes a cross-sectional area of the circuit in this time. Answer in units of C.

asked by Belle on January 27, 2007
81. chemistry

a 55g aluminum block initially at 27degrees C absorbs 725J of heat. What is the final temp. I know I need to use the equation q=m*Cs*Delta T but I cannot figure out how to rearrange the equation to isolate Tf to get the answer. Thanks for any help.

asked by Dee on November 4, 2012
82. Statistics

Twenty people are to be seated at 3 Circular restaurant tables that seat 8,7, and 5 people respectively. Determine the number of ways that this can be done. Express your answer in scientific notation to two decimal place.

asked by Matt on March 20, 2011
83. Physics

A(n) 0.491 kg football is thrown with a speed of 17.8 m/s. A stationary receiver catches the ball and brings it to rest in 0.0147 s. What is the magnitude of the impulse de- livered to the ball? Answer in units of kg · m/s

84. Chemistry

What is the concentration of CrO22 4 in 0.0040 M Ba(NO3)2 saturated with BaCrO4. Including the activity coefficients in the expression? The ksp of BaCrO4 is 1.17 x10^-10 [CrO4 2-]= ? M I want to understand the problem not just the answer please.

85. math

A deep-sea diver descends below the surface of the water at a rate of 60 feet each minute. What is the depth of the diver after 10 minutes? Write a number sentence to show your answer.

asked by judith on October 21, 2015
86. Health/ Basic Clinical Procedures

please check my answer thanks True or False A physical or mechanical device used to remove healyh hazzards from the work place is called personal protective control I said True

asked by Helana on April 21, 2008
87. marketing,,,,pls help me

please can you help to have an idea for this question...thanks a lot how does a firm corporate culture influence the performance of its personnel? the answer should be ralated to a small catering business that caters to corporate accounts.

asked by jessie on March 29, 2011
88. chemistry

The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 2.3 kg of Pb? WebAssign will check your answer for the correct number of significant figures. kg

asked by Tommy Turner on October 3, 2014
89. math

Sam makes a cube out of blue, red and yellow bricks in the ratio 3:4:8. He uses between 400 to 410 cubes. Calculate the exact number of cubes he has used. Explain your answer.

asked by Jay.M on August 31, 2018
90. Physics

A freight train has mass of 1.6 x 107 kg. If the locomotive can exert a constant pull of 760000 N, how long does it take to increase the speed of the train from rest to 79 km/h? Answer in units of min.

asked by Casey on October 4, 2014
91. exponential equations

The Sign Guys purchased a new hoist for \$1' 500. If this particular hoist has an annual depreciation rate, r, of 15% calculate the value of the machine in 3 years time. Give answer to 2 decimal places.

asked by Anonymous on March 29, 2015

Starting from rest, a man runs 10 metres along a straight path in t seconds. His position can be described by the function s(t)=0.7t^2. How long will it take him to reach the velocity of 4m/s? would the answer be 5.6 s? I started with s(t)=0.7t^2, then the

asked by Kim on May 9, 2014
93. physics

An automobile traveling along a straight road increases its speed from 89 ft/s to 104 ft/s in 180 ft. If the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in units of s

asked by Confused Student on October 5, 2014
94. chemisry

Use the ideal gas equation to answer this question. (Recall that R is .0821 L · atm/K · mol. ) What pressure is exerted by .35 moles of a gas at 23 0 C if it is held in a container with a volume of 2.3 liters?

asked by Anonymous on March 30, 2012
95. college algebra

Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr

asked by Dee on November 18, 2013

which part of a neuron in the cerebellum of the brain is the most extensive in terms of anatomical developement? a-hillock region b-cell body c-dendrites d-nucleus e-axon -my answer is axon

asked by joy on April 8, 2013
97. Maths

Alisa has a stride of 0.5 a metre. If she travels by walking 2 steps forward and one step back, What is the least number of steps she needs to reach a spot of 20 metres? BTW answer is not 120 m

asked by tahlia on June 12, 2017
98. To Jessicaa -- Global

Sorry, but I accidentally deleted your post: Posted by jessicaa on Sunday, October 4, 2009 at 10:39pm. Would you support the creation of a Declaration of independence? Provide 3 reasons to support your answer.

asked by Ms. Sue on October 4, 2009
99. Calculus

It requires 8 inch pounds of work to stretch a certain spring 2 inches from its rest position. Assuming that the spring follows hooke's law, what is k? Please answer this question. Thanks for your answers in advance.

asked by Kenya Nagai on March 8, 2014