Questions Asked on
September 22, 2008

  1. Physics

    A large crate filled with physics laboratory equipment must be moved up an incline onto a truck. 1. The crate is at rest on the incline. What can you say about the force of friction acting on the crate? a. The friction force point up the include b. The

    asked by Nicole
  2. CHEMISTRY

    Given the following heats of combustion. CH3OH(l) + 3/2 O2(g) -> CO2(g) + 2 H2O(l) ΔH°rxn = -726.4 kJ C(graphite) + O2(g) ->CO2(g) ΔH°rxn = -393.5 kJ H2(g) + 1/2 O2(g) -> H2O(l) ΔH°rxn = -285.8 kJ Calculate the enthalpy of formation of methanol

    asked by HANNAH
  3. Chemistry

    ASpirin, c9h8o4, is prepared by reating salicylic acid, c7h6o3, with acetic anhydride, c4h6o3, in the reaction. c7h6o3 + c4h6o3---> c9h8o4 + c2h4o2 A student is told to prepare 45.0 g of aspirin. she is also told to use a 55.0 % excess of acetic anhydride

    asked by Komal
  4. Physics

    A flea is able to jump straight up about 0.49 m. It has been said that if a flea were as big as a human, it would be able to jump over a 100 story building! When an animal jumps, it converts work done in contracting muscles into gravitational potential

    asked by Jenny
  5. Physics

    An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force is approximately proportional to the speed of the object, which can be written as f = bv. Assume b = 19 kg/s and m = 59 kg. What

    asked by Jenny
  6. chem

    Ca(H2PO4)2 and NaHCO3 are ingredients of baking powder which react with each other to produce CO2, thereby causing dough or batter to rise: Ca(H2PO4)2 (s) + NaHCO3 (s) -----> CO2 (g) + H2O (g) + CaHPO4 (s) + Na2HPO4 (s) (unbalanced) If the baking powder

    asked by fru
  7. social studies

    What is a fertile farming region located in Saskatchewan and Alberta noted for wheat production (two words)? This is in a crossword puzzle and I can't find the answer.

    asked by Turner
  8. Physics

    A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 100.0 N at an angle of 25.0° above the horizontal. The box has a mass of 25.0 kg, and the coefficient of kinetic friction

    asked by Jenny
  9. accounting

    Eric Sherm began working as a part-time waiter on April 1st, 2008 at Yard restuarant. The cash tips of 475 that he received during April were reported on form 4070, which he submitted to his employer on May 1st. During May, he was paid wages of 630.00 by

    asked by jacob
  10. math Third grade

    Draw a number line. Make sure the following numbers are on your number line; 1,472; 1,560; 1,481

    asked by jordan
  11. Geometry

    J is the midpoint of Gk, H is the midpoint of GJ and I is the midpoint of Hj. Suppose GK=64. Find the measure of HJ

    asked by Alex
  12. MATH

    boating The inclined ramp of a boat launch is 8 meters longer than the rise of the ramp. The run is 7 meters longer than the rise. How long are the three sides of the ramp? let the the rise be x m then the run is x+7 m , and the ramp (the hypotenuse) is

    asked by jennifer
  13. Physics

    A high diver of mass 60.0 kg jumps off a board 10.0 m above the water. If her downward motion is stopped 2.10 s after she enters the water, what average force did the water exert on her?

    asked by Jenny
  14. world geogrophy

    What river flows just south of cincinnati,Ohio?

    asked by Zoey
  15. art

    i need help with my art test.how is applied art different from fine art?

    asked by Anonymous
  16. Math

    Will a parabola intersect its directrix sometimes, always, or never?

    asked by Anna
  17. math

    plse help me with these questions thx a million 19 2 1/4+3 15/16 22. -5 7/12+10 3/4= 28.-3.5+(-5.2)= is it 9.7 34.-304+9.1= is it 6 thx a million

    asked by Amy
  18. chemistry

    Write two conversion factors based on the relationship between hours and minutes...

    asked by mal
  19. ecology

    How do flowering plants that do not have all four parts make seeds?

    asked by Harli
  20. world geogrophy

    The prime Meridian passes through which three continents?

    asked by Zoey
  21. math

    I am having trouble rounding numbers for example 67.935 and i have to round it to the tenths, hundreths,and whole thanks

    asked by meghann
  22. Stevens

    How do you analyze this sentence: 'When the rain began, we were playing soccer.'

    asked by Lauren
  23. Math

    Find the equation of the parabola with directix y=3 and focus (5,7)?

    asked by Anna
  24. math

    Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to math. Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his teacher that im an

    asked by nicole
  25. world geogrophy

    If you were in downtown CHICAGO and facing north, what direction would u go to reach lake michigan?

    asked by Zoey
  26. ecology

    explain why outhouses pose a risk to nearby lakes?

    asked by nivaa
  27. physical science

    two tuning forks are struck at the same time. One tuning fork has a frequency 20hz while the second tuning fork has afrequency of 226hz.how many beats will result?

    asked by Rosemary
  28. math

    Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to math. Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his teacher that im an

    asked by nicole
  29. Math

    1. A very magical teacher had a student select a two-digit number between 50 and 100 and write it on the board out of view of the instructor. Next, the student was asked to add 76 to the number, producing a three-digit sum. If the digit in the hundred’s

    asked by Angie
  30. Math

    A book has n consecutive pages torn out (each paper in a book has two sides - each side is one page). Suppose A is the last numbered page before the torn out section and B is the first numbered page following the torn-out section. Find a formula for n in

    asked by Anna
  31. Math

    What is the length of the latus rectum of x^2=20y X squared equals twenty Y

    asked by Anna
  32. math

    Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his teacher that im an idiot... Thank You So Much -The mystery # is a decimal.. -The digit in the 1's place

    asked by nikol
  33. math

    At a certain range of depths, the temperature of Earth's interior, in degrees Celsius, is expressed as 10d+20, where d is the depth in kilometres. Determine the temperature at a depth of 15km. I really don't get this, plz help!

    asked by Caitlin
  34. chemistry

    Write two conversion factors bsd on the relationship between hours and minutes...

    asked by mal
  35. com220

    need to find three sources for research paper about legalizing marijuana apa formatted the i need a answer for Practice note-taking techniques by quoting a source you plan to use for your research paper, summarizing a second source, and paraphrasing a

    asked by Axia
  36. Math

    The question is: The freezing point of helium is -272 degrees celsius. The original temperature of a sample of helium is 3 degrees celsius. a.How much must the temperature change to ensure that helium freezes? -AND- b.Assume the temperature changed at a

    asked by Ali
  37. chemistry

    Determine the amount of heat (in kJ) given off when 2.07 multiplied by 104 g of ammonia are produced according to the following equation. Assume that the reaction takes place under standard-state conditions at 25.0°C. N2(g) + 3 H2(g) 2 NH3(g) ΔH°rxn =

    asked by jamie
  38. 6th grade

    Discribe the adventage and limitation of three types of model?

    asked by Mohammed
  39. geometry

    If b is between A and C, find the value of "x" and BC. AB=3x,BC=5x,and AC=8

    asked by taz manian
  40. algebra

    how would i work out the following problems solve each formula in terms of the given variable 1. 5d-2g=9 ;g The formula A=2h(l+w) gives the lateral area a of a rectangular solids with length l, width,w and height h. 2. solve this formula for h 3. solve

    asked by jessica
  41. world geogrophy

    What is the capital of the state that is borded by colorado, nebraska, missouri and oklahoma?

    asked by Zoey
  42. lang. arts

    what questions do adverbs answer?

    asked by Emily
  43. 5th grade math

    Need to know how to change each decimal to a fraction ... .625 = ??? and how do you figure it?

    asked by clarissa
  44. English

    That is New York Theater. The title of today's movie is E.T. There are 5 show times. The first showtime is 11 a.m. ----------------------- Are the expressions above all grammatical? If there are any wrong expressions, correct them,please.

    asked by John
  45. MATH Matrix Equation

    If 4a + 3b + c = 27 3a + b + 4c = 16 9a + 2b + 3c = 33 then 2a + 2b + 2c = ?

    asked by per4mer
  46. 8th grade math

    the sum of three intergers is 193.The smaller two are consecutive intergers and the larger two are consecutive even intergers.What are the three intergers?

    asked by chritian
  47. 3rd grade

    ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING TENS?

    asked by sherman
  48. geometry

    what is the solution to this problem? -2=2x^2-7x negative two equals two times "x" squared minus seven "x".

    asked by anonymous
  49. geometry

    Given that B is between A and C, find the indicated length. AB=5.3 and AC=6.7. Find BC

    asked by taz manian
  50. algebra 2

    How do I graph this problem??? HELP!!! P = x-4y 3x - y < or equal to 7 2x - y > or equal to 3 y > or equal to x - 3

    asked by Arthur
  51. Microeconomics

    A couple of assignment questions: Assume that the market for annual physical check-ups is in equilibrium, and not everyone gets an annual physical check-up. What is the effect on price and quantity if a government regulation fixes prices at the current

    asked by Will Jr.
  52. Spanish

    In act 3 in Knight of Olmedo in the bullfighting scene I need to answer the question how rodrigo reacted to Alonso winning, and also what incident in act 3 made rodrigo want alonso dead more than ever besides alonso loving ines. thanks

    asked by Sheila
  53. world geogrophy

    What is the Caribbean island with the second largest land area?

    asked by Zoey
  54. geometry

    what is the value of "x" when y=0: 8x^2-x-5=y eight times x squared minus x minus five equals y

    asked by anonymous
  55. Grammar

    I am having a great deal of trouble I think I know the answers but am unable to explain why I know they are right can someone please help? Comprehensive Grammar CheckPoint Read the following sentences, and focus on the grammar area specified in the left

    asked by Cari
  56. geometry

    Given that B is between A and C, find the indicated length. AB=21 and BC=4.3. Find AC

    asked by taz manian
  57. avgforce*distance=Original energy=mgh

    avgforce*distance=Original energy=mgh mgh? m= mass g= 9.8 h = hr?

    asked by Jenny
  58. History

    Did King Richard 111 deserve to die in battle

    asked by Katie Nelson
  59. math 7th grade

    what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.

    asked by keke
  60. chem2

    A small piece of zinc is dissolved in 22.29 mL of 0.968 M HCl. Zn (s) + 2 HCl (aq) ----> ZnCl2 (aq) + H2 (g) At the end of the reaction, the concentration of the 22.29-mL sample is redetermined and found to be 0.691 M HCl. What must have been the mass of

    asked by fru
  61. Research Writing

    1. A blowout, or a flat tire that occurs ____ while you are driving, can be frightening. sudden suddenly -------------------------------------------------------------------------------- 2. Blowouts happen less ____ than they used to. frequently frequent

    asked by Nikia walker
  62. chemistry

    A 20.00 ml stock sample of HBr is diluted to 50 mL. If 18.76 ml of 0.1345 M KOH was required to reach the equivalence point, what is the concentration of the stock HBr solution? Is my answer correct? Titration problems can be solved with the MV=MV

    asked by Vana
  63. english

    I am 11 years old. I need to write 3 sentences about the word "destiny," and why i believe in it? I kinda have an idea what it means, just need help putting it into words. Any ideas?

    asked by yvette
  64. Science

    Is wood cut in boards is it a physical change or chemical change, explain

    asked by Taylor
  65. writing

    use a subordinate clause with one sentence. The city had one public pool, it stayed packed with children all summer long.

    asked by Jack
  66. Math

    The width of a rectangle is 2 ft less than the length. The area is 8 ft squared. Find the length and the width.

    asked by Anonymous
  67. 4th grade science

    What are two reasons why scientists study earthquakes?

    asked by Hayley
  68. History

    why were the British so surprised by the American Patriots reaction to the Stamp Act?

    asked by Tori
  69. american government

    In a dictatorship supreme authority rests solely with the people

    asked by cher taregan
  70. buisness

    Use the example on p. 97 of the text as a guide.Edu the example on p. 97 of the text as a guideWrite a 700- to 1,050-word paper in APA format explaining the business plan youselected and your SWOT analysis discussing the strengths, weaknesses,

    asked by meshelle
  71. History

    was Rupert's Land named after King Rupert?

    asked by Monique
  72. math

    a local hardware store has a 10-gallon can of gray paint left over that is a mixture of 35% black paint and 65% white paint. how many gallons of white paint will be needed to make the gray mixture 20% black? note: answers must be 5 gallons, 7.5 gallons, 12

    asked by asha
  73. socil studies

    i need help with pigskin geo. week 3. please help!!!!!!!!!!!!!!!!!!

    asked by sarah
  74. reading

    recast as one independent clause. Wind power for the home is a supplementary source of energy, it can be combined with electricity, gas, or solor power.

    asked by Abby
  75. French

    I need to write a paragraph about something that happened during my childhood, and so I decided to write about when I was 10 and ran through the sliding glass door like an idiot. But I don't know much hospital/injury vocabulary and my french isn't perfect

    asked by Sara
  76. BUSINESS

    You have been asked to evaluate the country you selected as a potential market for your product(s)/service(s) and present your findings to other managers of the organization in a memo. In your memo, be sure to address the following: Provide a brief

    asked by Sugar
  77. Physics lab

    During a lab, we dropped a ball from the second story of our school and found out the distance, ave. time, ave. velocity, final velocity and the acceleration. One of the questions is: If we could redo this experiment from a 300 ft radio tower instead of

    asked by Gray
  78. physical science

    If it took 5 seconds to lift the crate, using a machine what was the power rating of the machine?

    asked by Rosemary
  79. Acct

    What type of financial reports would you expect to see in a business, and how can these reports be used to make business decisions?

    asked by Anonymous
  80. Language Arts repost for Adam

    I need help understanding simple subject, & simple predicate of this sentence? Sentence #1 The first movies ere different from today's films.

    asked by Writeacher
  81. business

    Complete the following exercise in your groups: Kim and Dan Bergholt are both government workers. They are considering purchasing a home in the Washington D.C. area for about $280,000. They estimate monthly expenses for utilities at $220, maintenance at

    asked by Sugar
  82. Calc

    How do you find the points of the derivative of a function just from the graph of the function? It wants me to find f'(0), f'(1), etc just from the graph-thanks

    asked by Michael
  83. Stats

    What are variance and covariance? What do they mean? What are their differences/relationship?

    asked by Blake
  84. music

    What developments of the Baroque made the most signicant contributions to the future of music?.

    asked by luly
  85. Chemistry 2 Ap

    can someone check these for me ? Lead(IV)nitrate-- Pb(No3)4 Aluminumoxide-- Al2O Ammoniumphosphate-- NH4(Po4) Perchloric Acid-- Clo4 Copper(II)bromide-- CuBr2 Thankss!

    asked by jecce.
  86. Research writing

    1. A blowout, or a flat tire that occurs suddenly while you are driving, can be frightening. sudden suddenly -------------------------------------------------------------------------------- 2. Blowouts happen less frequent than they used to. frequently

    asked by Nikia walker
  87. calculus

    Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@,

    asked by mark
  88. geometry

    If b is between A and C, find the value of "x" and BC. AB=3(x+7),BC=2(x-3),and AC=50

    asked by taz manian
  89. science

    What are two sources of air pollution?

    asked by ra ny
  90. algebra 2

    How do I graph this problem??? HELP!!! P = x-4y 3x - y < or equal to 7 2x - y > or equal to 3 y > or equal to x - 3

    asked by Arthur
  91. physical science

    a 50kg crate is lifted to a height of 10 meters. how much potential energy does the crate have after being lifted?

    asked by Rosemary
  92. Science

    What makes everyone think that their better than the other when really they are really messed up in beauty?

    asked by MONIFA
  93. Calculus

    Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@,

    asked by mark
  94. English

    Do I have to go back home? 1. Yes, you do. 2. No, you don't 3. Yes, you have to. 4. No, you don't have to. Are all the answers correct? Can we answer like #1 and #2?

    asked by John
  95. Logic

    From these premises... Ken is a killer and Sam is a saint. Ken is a killer. ...which of the following conclusions are implied? a. Sam is a saint. b. Ken is a killer or Sam is a saint. c. Sam is a saint or Sam is not a saint. d. All of the above are implied

    asked by Anonymous
  96. math

    Find the common factors of each pair of numbers. a)14 and 21 b)20 and 12 c)45 and 15

    asked by Caitlin
  97. Psychology

    What in the brain produces meaningless visual sensations that are later transformed into meaningful objects in the association area?

    asked by Anonymous
  98. Language Arts

    What questions do adjectives answer?

    asked by Emily
  99. world geogrophy

    BOLIVIA is one of two landlocked country in south america. what is the name of the other countries?

    asked by Zoey
  100. Math/Chemistry

    The density of water i 1.00 g/cm^3. Express this density in lb/ft^3. (1 lb = 454 grams)

    asked by Claire
  101. spell

    Is the following words nouns/pronouns or verbs. They're you've weren't needn't there'd they've mustn't what'll doesn't hadn't

    asked by michelle
  102. french

    Hi I have an assignment where I need to find facts about Paris. I don't want ho hum stuff with statistics, I want an interesting quirky fact. Does anyone know any off hand? Thanks!!

    asked by Coralia
  103. geometry

    the #'s given are the coordinates of two points on a # line. find the distance between the two points. -3 and 5 what is the distance between these

    asked by taz manian
  104. Economics: Shortage

    Would a shortage of goods exert upward or downward pressure on prices? I'm thinking it's upward, correct?

    asked by Anonymous
  105. Writing

    Im writing this paper on James M. Henslin Urban Legends. Can you help me in my writing? what were some of your opinions on this reading?

    asked by Bryan
  106. math

    solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?

    asked by Anonymous
  107. Chemistry

    Help! A solution is made by dissolving 33.7 g of MgCl2 in .35L of H20. What is the mass of the solvent? The density of water is 1.oo g/ml. Thanks!

    asked by Stephanie
  108. geography

    what do we call the black dots on a map?

    asked by brenda
  109. Calculus

    At STP, 1.00 g of calcium is placed into an acidic solution, and 407 mL of hydrogen gas is collected. What is the ratio of moles of calcium consumed to moles of hydrogen produced? a)1.37:1.00 b)1.00:1.64 c)0.928:1.00 d) 0.500:1.00 Is the answer A, if so,

    asked by George
  110. management

    How does a manager know when to use teams and when not to use them?

    asked by China
  111. english

    In addition to the following, "I am going to write about ..." What are other examples of bad beginning sentences? Thanks

    asked by jules
  112. Computers

    I have an assignment where I had to interview a classmate about an experience over the Summer. He told me about his trip to California, to participate in a boot camp for the company Idel Information. The class was soon over, and I did not find out much

    asked by Coralia
  113. 9th grade

    how does ozone form?

    asked by lc
  114. geometry

    the #'s given are the coordinates of two points on a # line. find the distance between the two points. -11 and -27 what is the distance between these

    asked by taz manian
  115. music -year 8

    i`m doing a school project in music about buddy holly. i need info about when he died and how, all about his music , if he was married had any children . thanks so much to everyone who helps!

    asked by astra
  116. Algebra 2

    how do I solve -15x-2y=-31 4x+6)=11 using linear combination method?

    asked by raya
  117. social studies

    give to reasons why african slaves were needed

    asked by djuan
  118. Math

    Find the equation of the straight line joining a)(4, 4) and ( 2, 0) b)(3, -1), (5, 4) i also need to know how you went about solving this problem so i can understand.. many thanks

    asked by Jacob
  119. management

    How does a manager know when to use teams and when not to use them?

    asked by China
  120. management

    2. Suppose you are a manager forming a team at work, what things will you consider when selecting employees for this team?

    asked by China
  121. health

    The purpose of environmental epidemiology studies is to prove that an environmental agent is the cause of a particular adverse effect. True False 2. Which of the following is not an accurate statement about dose-response? The NOAEL is the highest data

    asked by manyy
  122. geography

    the question reads as follows, black dots on a map represents cities or towns what are these black dots called?

    asked by brenda
  123. geometry

    Y is the midpoint of line xz. Find the coordinates of the third point if z(2,8) and y(-1,6)

    asked by Alex
  124. Algebra 8

    How many values of x make each statement true? Explain your reasoning. a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is telling me to do. Help?

    asked by Joy
  125. geometry

    what a good way to learn geometry if you are completely clueless on what to do and you have a 65 and you only have 2 weeks to correct that

    asked by Jasmyn
  126. Math(check)

    Solve 1= (y+3)(2y-2) Use foil on the right side. 1 = 2y^2 +6y -2y -6 so 1 = 2y^2 +4y -6 Now subtract 1 from boths sides giving us 0 = 2y^2 +4y -7 Now we need two numbers that multiply to be 2*(-7) or -14 and add to be 4. There doesn't appear to be any

    asked by Anonymous
  127. english

    what is a preposition?

    asked by jill
  128. 7 grade math

    answer in simplest form -5/7(2/5) give me step by step

    asked by keke
  129. chem/ health

    if it takes alcohol 185 cal to evaporate and water 552 cal to evaporate, which is better to use to reduce a fever?

    asked by heather
  130. Algebra 1: 8th Grade

    How many values of x make each statement true? Explain your reasoning. a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is telling me to do. Help?

    asked by Joy
  131. calculus

    I have to help teach this class tomorrow for my Senior Seminar Math class. The lesson is over Exponential and Logarithmic Functions and L'Hospital's Rule. I have all the problems needed to review this lesson, but i can not solve any of them. My teaching

    asked by Primo
  132. environmental

    What problems may arise from mixing household hazardous waste with other domestic waste?

    asked by Thano
  133. science

    What do you think causes certain landforms to be in same place and not others?

    asked by Angela
  134. technology

    Describe a hypothetical scenario in which you would write a proposal. How would this differ from a situation in which a standard report would be more appropriate? How do these two report types differ in purpose and structure?

    asked by Anonymous
  135. math

    solve -15x - 2y = -31, 4x + 6y = 11 using Linear Combination Method?

    asked by Anonymous
  136. arithmetic

    Clue 1: each digit increased by 1 and clue 2 add the numbers and the answer is 21. whats the six digit number?

    asked by Anonymous
  137. intermediate algebra

    solve each equation and check the result 7 3 40 x-5 - x+5 = x^2 - 25 there is a line in between each equation how would i start something like this?

    asked by jennifer
  138. essay

    im including Sonny Bono in the essay im going to write... i googled him and read his wiki page but could you tell me more about what he did in what you said earlier ms.sue

    asked by qwerty
  139. Re

    i need to find eveidence of 3 things that jesus did and 3 things jesus didn`t do. thanks!

    asked by david
  140. Vegetables

    Whats the difference between a vegetable and a fruit?

    asked by Oscar
  141. Social Studies

    How are the seasons of the mid latitudes affected by air masses from the tropics and the north and south poles?

    asked by LaQuita
  142. World History

    How do I find and calculate the coordinates for all of the huricaines and tropical storms from Aug 28th until now?

    asked by Nikkol
  143. science

    I need to know at least 5 control variables for the following questions. 1.Which tennis shoe, Nike or New Balance, will help me improve the time it takes me to run the 100-meter dash? 2. Does Bazooka or Double Bubble gum blow a bigger bubble?

    asked by logan
  144. English- COM 150

    Does anyone have the explanations to week 9 Appendix H Grammar Checkpoint?

    asked by Ann
  145. Ethics

    What is feasibility of enforcing the code of ethics? I don't know understand this question, any help would be appreciated.

    asked by Jen
  146. chemistry

    complete the following questions. Express all answers in scientific notation. i) 24.67 – 9.42 + 0.2 ii) 6340 * 5348 / 2345 iii) 5.35 x 10-3 M x 69 mL

    asked by Vana
  147. Scocial sudies

    How can air masses affect the nile river lower africa wouldnt the mountains protect it?

    asked by Joe
  148. essay writing

    ok well... my prompt is what is the artist's responsibility to right(correct) societal wrongs? i'm just looking for some ideas to write about and how i should set it up because this prompt is giving me lots of trouble.

    asked by qwerty
  149. algebra

    What is a meassure of center?

    asked by Vanessa
  150. math

    what is and line plot?

    asked by janna
  151. 6th grade science

    Discribe the advantage and limitation of the three tyeps of models?

    asked by Mohammed
  152. math

    each player is given a rectangular piece of graph paper that is 56cm long and 84 cm wide. The horizontal and vertical lines are spaced 1 cm apart. The paper is to be cut along the grid (graph) lines into square pieces that are all the same size without

    asked by Jayson
  153. civics

    how does the responsibilty for excuting the law give the president great power

    asked by hollie
  154. music

    i need to find 10 musical things about buddy holly and how he died. thanks!

    asked by anon
  155. History

    Did the Micmaq reside in New France?

    asked by Lizaa
  156. Math

    Name the numerical coefficient, the variable and the constant term of each of these algebraic expressions. 1.3x + 2 2.5n 3.w + 3 4.2p + 4

    asked by Alex
  157. Science

    What are some dangers of nuclear radiation that can cause nature

    asked by Adam
  158. Science

    What Dangers does Nuclear radiation do to humans

    asked by Joe
  159. Pre-Calculus

    I want to know how we know if a function is continuas or discontinuos and what are the types and diff if discontinuos functions?

    asked by Mia
  160. math

    If someone is Typeing 360 words at 90 minutes words per minute, is getting paid 10$ per 1800 words a better pay?Please show how you got the answer cause i don't get it.

    asked by Carly
  161. math

    one half gallon equals ----- quarts. i think it 2 gallons can you correct me please?

    asked by AA
  162. Math Matrix EQ

    If 4a + 3b + c = 27 3a + b + 4c = 16 9a + 2b + 3c = 33 then 2a + 2b + 2c = ?

    asked by per4mer
  163. world geogrophy

    How many states are west of mississippi river?

    asked by Zoey
  164. writing

    make 2 sentences Viewers saw two people smashed by a boat, one person choked, and another shot to death, what purpose does this violence serve.

    asked by Jack
  165. music yr 8- re- drwls

    thankyou drwls for your help on buddy holly

    asked by astra
  166. social studies

    why would it be important for a pharoh to unite upper egypt and lower egypt

    asked by olivia
  167. re

    for my re homework i need to find 3 pieces of evidence of what jesus did and 3 pieces of evidence what jesus didn`t do . i only need a little bit of info not pages of it. thanks!

    asked by gemma
  168. History

    Were all the Native peoples helpful to the French in New France and Acadia?

    asked by Lizaa
  169. beh

    help please i need examples, causes, treatment and symptoms for each of the following: acute, biopolar, mood,and eating disorders.ASAP

    asked by dawn
  170. business

    What makes a job different from a career.

    asked by Angel
  171. Biology lab - hypothesis?

    For each of the observations, list a possible question, hypothesis and prediction. 1. Observation: Chicken soup seems to cure a cold. Question: Hypothesis: Prediction:

    asked by Ashley
  172. Spanish

    I have a windows, how do I place accent marks? (e.g. for Spanish) Thanks

    asked by jules
  173. Geography

    How do I find and plot the coordinates for all of the Florida huricaines in 2008 from Aug 28th until now?

    asked by Nikki
  174. Calculus Derivatives

    what's the equations of both lines through the point (2,3) that are tangent to the parabola y=x^2+x

    asked by Lisa
  175. theology

    can you give me a site that have an outline about the topic "The Historical Development of Church Marriage" and best explain about it.. thank you so much, its my report today so please help me.. :)

    asked by Akitsuke
  176. government

    Government branch

    asked by ashley
  177. math

    solve -15x-2y=-31 4x+6y= 11 using linear combination method?

    asked by Anonymous
  178. music-buddy holly

    i`m doing a school projrct about buddy holly ive looked in the site drwls suggested but i can`t find much info or many pictures . any ideas thanks

    asked by patrick
  179. MATH

    factor completely z^2-18z+81-25x^2 (z-9)^2-(5x)^2 (z-9+5x)(z-9-5x) am I on the right track?

    asked by jennifer
  180. management

    how should people who work on teams be trained and paid

    asked by China
  181. Science

    What are some things Nuclear Radation Can affect?

    asked by Chris
  182. Spanish

    I have a windows, how do I place accent marks? (e.g. for Spanish) Thanks

    asked by jules
  183. math

    15=4x+7

    asked by Caitlin
  184. health

    muscular atrophy involves a process in which

    asked by kayla
  185. math Third grade

    is a number with the most ditis always greater and why/

    asked by jordan
  186. math, triangles

    what do the angle measures of a triangle add up to? is it 180?

    asked by alex
  187. social studies

    What did the woodland cree people do?

    asked by Caitlin
  188. Science (please help)

    What are some benefits and challenges of urbaniZation?

    asked by scooby91320002
  189. math

    one difference between identity,zero, commutatiive and associative property

    asked by andrew
  190. english

    How do heros inspire you?

    asked by caitlin
  191. science

    what are two ways matter diffrent?

    asked by brianna
  192. Science

    dangers of nuclear radiation

    asked by Chris
  193. math

    5+2x=13 i don't really understand how to get the answer. could u please help?

    asked by Caitlin
  194. math

    14=5x-6

    asked by Caitlin