Questions Asked on
April 28, 2008

  1. Chemstry

    I just copied this because i have a couple more questions on this part.... Sulfuric acid/ Lead Battery: -the electrodes for the battery are composed of Pb(s), PbO2, and/or PbSO4. What are the half reaction occuring at each electrode? include electrolysis

    asked by Sara
  2. chem

    1. under what circumstances is the molecular geometry around a single central atom the same as the electron group geometry around the central atom? 2.If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded

    asked by natash
  3. algebra

    a car rents for $35 per day plus .22 per mile. You are on a daily budget of $90. what mileage will allow you to stay within your budget? Would the correct answer be 1.6?

    asked by C
  4. Physics

    A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20 ms in duration. THe average power expended during each pulse is .600 W. (a) How much energy is in each pulse, in joules and electron volts? (b) What is the

    asked by J
  5. Chem (Help!)

    I really need help answering these questions. A sample of CO2 gas with a mass of 0.30 g is placed in a 250 mL container at 400 K. What is the pressure in atmospheres exerted by this gas? Before you can put the numbers into an equation and solve for the

    asked by Lisa
  6. English

    Help me unscrable these letters to make a word.... C,U,P,A,N

    asked by Jessica Trayah
  7. physics

    A 85.0 kg person steps into a car of mass 2500.0 kg, causing it to sink 2.5 cm. Assuming no damping, with what frequency will the car and passenger vibrate on the springs?

    asked by help?
  8. Physics

    In a popular amusement park ride, a cylinder of radius 2.19 meters is set in rotation at an angular speed of 5.09 rad/s. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum coefficient of friction

    asked by Kendra
  9. math

    If a Ferris wheel takes 45 seconds to make a complete rotation, how many rotations will it complete in 3 hours?

    asked by Cherie
  10. Social Studies

    What were the impacts of China's Cultural Revolution?

    asked by Molly
  11. latin-can u help me translate these sentences?

    1. propinquus meus plus cupidinis laudis i am demonstraverat, itaque reliquos virtute superavit. 2. utrum trans amnem a latis campis sub silvam ubi plus umbrae gratae erit an circum agros in oppidum ad summam arcem ubi semper multitudo feminarum est cras

    asked by Lisa
  12. physics

    You are 1.7m tall and your eyes are 8cm from the top of your head. How tall must a vertical plane mirror be to see your entire length? Also how far from the ground is the top of the mirror?

    asked by shan
  13. english please revise

    In this study I will argue that prolonged exposure of social oppression and subjugation is the basis is for the African- American women limited participation in society’s political system. I will support my argument by providing a detailed analysis of

    asked by Christi
  14. economics

    Unemployment rate is unacceptably high. Is this positive economics, normative economics, or art of economics and why

    asked by nathan
  15. "Brave New World"

    I am writing an essay after reading the first 3 chapters of "Brave New World" about how genetic engineering produced the society. What are the motives behind genetic engineering according to Huxley? Has genetic engineering "Improved" lives of the peopel in

    asked by Christian
  16. Science

    Two students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. Which of the following could be an unavoidable source of experimental error? A. length of the study B. variation in the strawberry plants C.

    asked by Sydney
  17. Physical Science

    Pour vinegar onto beach sand in the Carribian and the results is a lot of froth and bubbles. Pour vinegar onto beach sand from California and nothing happens. Wht?

    asked by Rachel
  18. English Grammar

    Mother's Day is the second Sunday in May in America. Americans celebrate Father's Day, too. It's the third Sunday in June. In Korea, we honor our mother and father on the same day. It is Parents' Day. What day is it this year? -----------------------------

    asked by John
  19. english/l.a

    Can someone give me some persuasuve essay topics? Persuasive essay- a essay that persuades someone into thinking your opinion.

    asked by Smart Kid
  20. chem

    A gas has pressure of 4.62 atm when its volume is 2.33 L if the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? express the final pressure in torrs

    asked by jerson
  21. English- Ms. Sue

    Identify the thesis statement in the article AIDS in Africa: Dying by the numbers. What strategies does the author use to formulate his argument? What makes the argument so compelling? Answer: Thesis: The pathetic and alarming need for education of

    asked by rose- revision-
  22. Physics

    An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass (in grams) of the air?

    asked by Tasha
  23. Geometry

    What is a rigid transformation?

    asked by Kristi
  24. English Grammar

    ex) How nice of you to say so! Whatis the part of speech of 'so' in the sentence? Is is an adverb or a pronoun?

    asked by John
  25. English

    6a. I lay my book on the table, but now I cannot find it. 6b. I laid my book on the table, but now I cannot find it. I chose B. could you please explain?

    asked by Phil
  26. algebra

    I am trying to figure out how to graph 3y-9=3x What would the intercepts be?

    asked by C
  27. Calculus- To Reiney

    I have 3 calc problems that i have not been able to do please help me... i've been on here yesterday as well but no one was able to assist me with these particular ones... 1. If f(x)=5x^3–2/x^4 find f'(x)____ what i got was (4x^2+7x-12)/x^8 2. The

    asked by John
  28. math

    At what times between 6 o’clock and 7 o’clock will the hands on a clock be at a right angle?

    asked by laura
  29. English

    18a. My brother knows more about technology than me. 18b. My brother knows more about technology than I. my answer is B. please explain answer

    asked by Tami
  30. English: final revision - Ms. Sue

    Thesis: The pathetic and alarming need for education of HIV/AIDS in Africa is overwhelming and the great need is to protect and educate people to reduce the disease. The author uses his wisdom to research statistics that are so compelling; the world has to

    asked by rose- revision-
  31. physics(Antennas)

    With regards to straight antennas and coiled antennas. Which one is better/more efficient at receiving, and why? Which one is better/more efficient at broadcasting, and why?

    asked by Sandhya
  32. Physics

    A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of wavelength 600 nm. (a) Calculate the frequency of the emitted visible light. (b) How many photons per second of visible light does

    asked by J
  33. trig

    Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist between 0 and 2pi. As usual, use exact values in your calculations. cosx - 2cos^2x = 0

    asked by Manny
  34. english

    What are other ways in which you can make use of the wealth of Web-based information and still guard against plagiarism?

    asked by Jaz
  35. chem lab

    ok I'm having trouble with graphing this chemistry lab. It's on atomic emission spectra. In this experiment we observed the line spectrum of first helium, and here is the data: color: distance: wavelenght: violet 20.35cm light blue 21.70cm green 23.08cm

    asked by natash
  36. Chemistry

    The capacity of a large irregularly shaped vessel cannot be computed from geometric data. As a result, it is decided that the volume be established from analytical data. The vessel is filled to its capacity mark with calcium-free water. A known small

    asked by Gabby
  37. algebra

    Please help me with this from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. would the grade of the peak be 3.3%

    asked by C
  38. math

    if h is an antiderivative of g(x) = x^3 / (1 + x^5) and h(1) = 2, then h(3) = a. 4.407 b. 2.555 c. 1.852 d. 0.555 e. -0.703

    asked by billystar
  39. science

    another name for the gas form of water, water _____ ? 6 letters

    asked by ty
  40. French

    Please look over my granddaughter's application letter to Paris Disney. Thank you! Bonjour Mesdames et Messieurs, Je m’appelle Kathryn ___ et je travaille au Walt Disney World Resort en Floride aux Etats-Unis. En ce moment là, je travaille avec le

    asked by Ms. Sue
  41. trig

    Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist between 0 and 2pi. As usual, use exact values in your calculations. cotx + 1 = 0

    asked by Manny
  42. American History

    What were the main causes of the American Civil War? I have - Slavery States rights v.s. federal law Economic issues (tariffs) Westward expansion Election of Abraham Lincoln Can you help me elaborate some of these points? I have to pick three main ones to

    asked by Lucy
  43. English Expression

    How do you pronounce the l sound? Do you know how to say the l sound? Put the front part of your tongue on the gum in your mouth, and let the air pass on both sides of your tongue, saying l. What about the r sound? Can you speak the r sound? What is the

    asked by John
  44. ....!!!

    can anyone help me i have been googling everywhere and can't find what i need websites for poems by established authors

    asked by ...
  45. English Expression

    She goes to bed at around eleven thirty. She goes to bed around eleven thirty. She goes to bed at about eleven thirty. She goes to bed about eleven thirty. ------------------ Are the expressions all grammatical? Would you check the expressions above?

    asked by John
  46. Physical Science

    Why don't oil and water mix?

    asked by Rachel
  47. physics

    an image in a convex mirror is 12cm tall and 30cm from the mirror.IF the focal length is 50cm, where is the object and how tall. i got 7.5cm for the object height but a convex mirror always gives a reduced image?

    asked by shan
  48. English Grammar

    A: How do you like the present, Mom? B: Oh, it is great. It's so kind of you. -------------- In the short dialogue above, what is the full form of 'It's so kind of you.'? It is so kind of you to give me the present. --- Is this the full form for that? What

    asked by John
  49. Math

    Please double check my answer. On three consecutive passes, a football team gains 7 yards, loses 22 yards, and gains 49 yards. What number represents the total net yardage? My answer: The total net yardage is 34 yards.

    asked by Shawna
  50. English Expression

    Let me tell you my day. Let me tell you my daily schedule. Let me tell you my daily activities. If I want to tell others what I do from morning tll night, which expression should I use among the three? Do you have better expressions?

    asked by John
  51. Spanish

    I need these words translated from Spanish to English but they aren't in my spanish dictionary and when i google the words I get some odd translations that I'm sure aren't accurate. Compraba, compro, esta comprando, se comio, quiere comerse.

    asked by Leslie
  52. Chemistry

    Please check to see if i did it right.. if the reduction potential for Cu^2+ + 2e---> Cu is 0.00V. Then the remaining reduction potentials for the voltages between Cu[cathode]/Zn[anode] is like??? Ecell=1.043v My answers:Zn-->Zn2+ 2e- voltage = -1.043V

    asked by Sara
  53. please revise

    It is ordinarily accepted among nations that territorial jurisdiction is based on a crime that is committed within the territory of the sovereign state. However, sometimes states also exercise jurisdiction because the crime was committed abroad by one of

    asked by christy
  54. Psychology

    Are the stories of"The Three Faces of Eve" and "Sybil" positive visions of multiplicity? I have to write this in APA style and I'm not sure how. Please help.

    asked by Amy
  55. algebra

    from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. I cannot figure out the grade of the peak. Can someone please help me?

    asked by C
  56. accounting

    Problem: For the following four cases, use the accounting equation to compute the missing quantity. Note: I was given four cases but apparently I am missing something. For example the first case states: $20,000 assets, $8,000 liabilities, and $3,500 in

    asked by Tamra
  57. algebra

    from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. would the grade of the peak be 3.3%

    asked by C
  58. science

    What are the three main ways in which organisms interact?

    asked by carmelita
  59. marketing

    What special concerns would you have in designing a print ad for a product used by senior citezens?

    asked by tana
  60. algebra

    what is the y and x intercept of -16x+y=28?

    asked by C
  61. Science

    To neutralize a pithball electroscope all you have to do is to hold it for a very short time. Explain what happens to discharge the pith ball if it is a)negatively charged b)positively charged

    asked by anum
  62. Chemistry

    Two beakers were used in an experiment each with 100g of water at 30 degrees C. To the first beaker, 90g of NaNO3 was added. To the second beaker, 90g of KNO3 was added. (a)Which beaker had the salt precipitate out (settle to the bottom) and how much? (b)

    asked by Toni Jones
  63. language arts

    Alphabetically, which comes first- he's or here's?

    asked by Kyle
  64. SCI

    Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

    asked by Dawn
  65. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  66. Math

    Is this correct? Amy paid $89.18 for a pair of running shoes during a 15% off sale. What was the regular price? My answer is $102.56

    asked by Shawna
  67. Math

    Is this correct? Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train A passes a station at 3:25pm. If train B passes the same station at

    asked by Shawna
  68. algebraII

    3b-2/b+1=4-b+2/b-1 please help me I'm stuck

    asked by brit
  69. math

    hi my name is hedi and i am in serious need with help with some math problems dealing with polynomials can some one please help me? Determine whether each expression is a polynomial. If it is a polynomial, state the degree of the polynomial. (This is the

    asked by hedi
  70. Algebra 2

    Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide a third expression to simplify that includes rational (fractional) exponents

    asked by Help Please
  71. physics

    a concave mirror of diameter 40m is used with a 6cm tall object placed 20 cm from it. Where is the image? Can you check my solution Radius(R)=20cm Distance object(do)=20cm (2/R)=(1/do)+(1/di) (1/di)=(2/R)-(1/do) why do they give you the object height i

    asked by shan
  72. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  73. please revise my intro

    Hello, I am writing a paper for international law course can someone please revise my intro? thank you. It is ordinarily accepted among all nations that territorial jurisdiction is based on the fact that a crime is committed within their territory.

    asked by christy
  74. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  75. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  76. home economics

    Imagine that the efficient provision of telephone calls in a medium-sized city involves an initial investment of $100 million financed by borrowing at 6 percent and variable cost of 5 cents a phone call. The phone company's annual fixed cost would be $6.0

    asked by Eric
  77. Physics

    An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 4.60 m3 and the temperature raised to 30.5°C, what will be the pressure of the gas? Pa I was

    asked by Tasha
  78. English

    1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized horseracing because of the dangers involved? my answer is A. could you please

    asked by Katie
  79. Physics

    In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0628 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression? I have no idea can anyone help?

    asked by Tim
  80. science

    Powerpoint presentation on energy resource plan.

    asked by Anonymous
  81. math

    how do you convert a fraction to A decimal to a percent

    asked by Anonymous
  82. algebra

    y=1/2x I determined that the ordered pairs tha could be graphed are 0,2 and 3,0 I'm not sure if these are correct and I am unable to determine the y intercept. Is it 4?

    asked by C
  83. Physical Science

    Many dry cereals are fortified with iron, how would you prove that?

    asked by Rachel
  84. AED

    what needs to happen to create a balance in school funding across regions?

    asked by Dawn
  85. Math

    Please help! Jack has a mixed fruit pie. There is a variety of fruits (17,3,28,4,89,67,2), how many times will Jack have to stick in his thumb before he is sure to pull out two pieces of the same kind of fruit?

    asked by Caleb
  86. English- Debating

    We have a debate about "That if we buy New Zealand made, we've got it made". we are negating this topic but don't know what to talk about. please help !! thanks

    asked by Tania
  87. English Expression

    It is general to send the mind of gratitude by exchanging presents together with cards in America. ------------------ Is the sentence above grammatical? Would you correct any incorrect expressions?

    asked by John
  88. math

    what is liquid quanity

    asked by alexis
  89. English

    3a. Vitamins that are sold in a health-food store are not regulated by the Food and Drug Administration. 3b. Vitamins that are sold in a health-food store is not regulated by the Food and Drug Administration. my answer is A. Please explain

    asked by Mel
  90. English

    Please can someone help me with this poem. The Love Song O J Afred Prufrock

    asked by Janice George
  91. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  92. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  93. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  94. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  95. physics

    Does an object need a net force acing on it in order to move at constant velocity?

    asked by Anonymous
  96. English Expression

    Can you express how you love your parents in English? How can you express you love your parents in English? ----------------- Are both questions grammatical? Which one is a common expression?

    asked by John
  97. Memorizing

    I have to memorize a soliloquy from Romeo and Juliet this week. What are good techniques in order to perfectly memorize it?

    asked by Cassidy
  98. social

    !@#$%^&ally won the war of 1812????

    asked by Slappy
  99. Science

    Can you help me find the common name of Thermus aquaticus and how it reproduces and anything else?

    asked by Emily
  100. Physics

    In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0628 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression? Can anyone help me work this

    asked by Tasha
  101. Physics

    A runner weighs 560 N (about 130 lb), and 74% of this weight is water. (a) How many moles of water are in the runner's body? moles (b) How many water molecules (H2O) are there? molecules I was able to get part (a), but I'm not sure how to get part (b)

    asked by Tasha
  102. physics

    a concave mirror of diameter 40m is used with a 6cm tall object placed 20 cm from it. Where is the image? Can you check my solution Radius(R)=20cm Distance object(do)=20cm (2/R)=(1/do)+(1/di) (1/di)=(2/R)-(1/do) why do they give you the object height i

    asked by shan
  103. ict year 7

    flow chart symbols purpose and example.one looks like a rectangle and one looks like a diamond .thanks

    asked by carla
  104. algebra

    When is the following a true statement ? (a+b) = a + b if a and b are nonnegative.

    asked by laura
  105. Physics

    A spring of k=11 N/m has a block of mass 4 kg attached to it on a frictionless table. If the block is pulled a distance 0.15 m to the right and released from rest, how long will it take the block to return to its equilibrium position?

    asked by Charlie
  106. math

    How can I combine these 2 equations to give an equation for b which does not include m - b=da/m a=me^2

    asked by sue
  107. algebra

    When is the following a true statement? ã(a+b) = ãa + ãb if a and b are nonnegative.

    asked by laura
  108. trig

    Sketch the graph of one cycle of tan(x)(pi/2=1.5708) and give the requested information Domain: Range: Period(wavelength): Asymptotes:

    asked by Manny
  109. Physical Science

    How might warmer oceans accelerate global warming?

    asked by Rachel
  110. Accounting II

    Does anyone know how to calculate cost of savings when calculating the net present value? The NPV was given and I have to backed into the other figures. The only thing about cost savings provided is "25% reduction in direct material. The DM cost listed is

    asked by Tom
  111. chem lab

    I'm doing a lab on helium and hydrogen emission spectra. so I got violet 20.35cm blue/green 21.70cm green 22.75 light green 23.08 yellow 27.70 red 31.70 faint red 33.95 and I also have the wavelenghts for helium spectra, its given. like for ex. violet is

    asked by natash
  112. algebra

    can some one please help figure this problem out Determine whether each expression is a polynomial.If it is a polynomial, state the degree of the polynomial. 5x^3+2xy^4+6xy can someone please help me

    asked by meika
  113. English Grammar

    ex) Happy Mother's Day! Is the full form of "Happy Mother's day!" "I wish you a happy Mother's Day!"?

    asked by John
  114. English

    7a. I was interested in working on the presidential campaign if the opportunity still exists. 7b. I am interested in working on the presidential campaign if the opportunity still exists. my answer is B. I need a rationale for this answer.thanks

    asked by Mel
  115. Social Studies - - Mao and Communist China

    Hello, I was wondering if anyone could assist me in finding sites that talk about these two questions. Please and thank you. (: 1. What were the impacts of the Tiananmen Square massacre? (The aftermath, results.) 2. How is the shift towards capitalism

    asked by Eve
  116. French

    Whats a ski du fond? thnx for anyone who can help =P

    asked by ...
  117. history

    Who are the medici family? plz help me im realy stuck!

    asked by lauran
  118. Algebra

    I'm lost. Please help me solve. Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train A passes a station at 3:25pm. If train B passes the same

    asked by Shawna
  119. critical thinking

    Given the premises, discuss whether the conclusion of each argument that follows is (a) true beyond a reasonable doubt, (b) probably true, or (c) possibly true or possibly false. You should expect disagreement on these items, but the closer your answers

    asked by Anonymous
  120. chem

    how do you determine the theoretical yield?

    asked by Kayla
  121. math

    p and L are related by the equation p=RA/L where all the other quantities in the equation are constant. How do I work out the gradient of a graph in which ñ is plotted against 1/L?

    asked by sarah
  122. Physical Science

    What happens to the pH of soda as it loses it's carbonation? Would it effect the taste? Why or why not?

    asked by Rachel
  123. Physical Science

    An acid and a bas react to form a salt which consists of positive and negetive ions. Which forms the positive ions the acid or the bas?Which forms the negetive ions?

    asked by Rachel
  124. math

    At what time between 6 o’clock and 7 o’clock will the hands on a clock be together?

    asked by laura
  125. International Society

    Does anyone know the terrorism threat in Australia? Thanks M

    asked by Minerva
  126. French for Lin

    Did you back up to your question about 3 pages ago about the subject (phares) and adjective agreement (cassés)? Mme

    asked by SraJMcGin
  127. english

    could you please show me an example of a speech that was written about time

    asked by thandeka
  128. Physics

    In a controlled chain reaction, for every three neutrons released by a uranium-235 nucleus, one is absorbed into another nucleus. The number of neutrons absorbed by another nucleus decreases slightly. For every 30 released, only nine are absorbed. What

    asked by Saul
  129. "Magic Mushrooms"

    How are magic mushrooms made

    asked by danielle
  130. english

    what shows phillip prejudice?

    asked by bruce
  131. Physics

    The position of some object moving along the x-axis is observed to be x(t)=9cos(pi*t/3+pi/4) meters. Find the frequency.

    asked by Charlie
  132. computers

    Are there certain curricular areas in which technology is more useful than in others? Such as in a classroom

    asked by Kell
  133. math

    If z=2t^3 -7t how do I calculate the gradient of a graph of z against t at t = 3?

    asked by sarah
  134. science

    what is an organism that feeds off of other living or dead organisms?

    asked by kara
  135. algebra

    2x+6y=60 in determinng the x and y intercept I came up with the order pair 0,-10 Is this correct?

    asked by C
  136. English Expression

    What is the relation of the people who have a conversation with each other? What is the relationship of the people who have a conversation with each other? --------------- Are both grammatical? Do I have to use 'relation' or 'relationship'?

    asked by John
  137. chem

    The total pressure in a flask containing air and ethanol at 257C is 800 mm Hg. If the pressure of the air in the flask is 762 mm Hg, the vapor pressure of ethanol is? I tried doing a relationship of P1 over t1 etc but i don't get the right answer.

    asked by Anonymous
  138. algebra2

    (3b-2)/b+1=4-(b+2/b-1) please help

    asked by brit
  139. Social Studies/Science

    What were some technological advancements dueign the Great Depression?

    asked by Cassie
  140. English

    17a. Each of the applicants must submit his or her completed form to the interviewer. 17b. Each of the applicants must submit their completed forms to the interviewer. I chose A. is that right? please explain.

    asked by Tami
  141. science

    how does leucine help protein synthesis in cells

    asked by chris