Questions Asked on
January 13, 2008

  1. physics

    you slide a 325N trunk up a 20 degree inclined plane w/ constant velocity by exerting a force of 211 N parallel to the inclined plane a) what is the comp. of the trunk's weight parallel to the plane? b) what is the sum of the Fa, friction and the parallel

    asked by physics time..
  2. Physics

    ball 1 with an initial speed of 10 m/s collides elastically with stationary balls 2 and 3 that are initially in contact with each other. the centers of balls 2 and 3 are on a line perpendicular to the initial velocity of ball 1. the three balls are

    asked by Sarah
  3. General Chemistry

    The photogenic work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 x 10^-19 J. What is the minimum frequency of light for the photoelectric effect in

    asked by Kat
  4. Physics

    A flea pulls on a puck with force 7 microN at an angle of 30°. Another flea pulls on the puck with force 2 microN at an angle of -60°. a) What is the magnitude of the net force on the puck? (I got 7.28 uN) b)At what angle is the net force? ( I got about

    asked by Lindsay
  5. Religion

    What countries of origin Hinduism, Buddhism, Confucianism and Daoism? What are historical figures and events Hinduism, Buddhism, Confucianism and Daoism? What are the central beliefs of Hinduism, Buddhism, Confucianism and Daoism? The nature of god of

    asked by Danny
  6. Physics

    Two negatively-charged bodies with -5.4e-5 C are 0.20 m from each other. What force acts on each particle? F=kqq/d^2 F=(9.0e9)(q)(q)/(.20^2) Would both q's equal -5.4e-5 C?

    asked by Lucy
  7. chemistry

    i have to write chemical formulas and balance them: nitrogen and oxyen---> nitrogen monoxide N2+02---->2NO nitrogen monoxide and oxygen----> nitrogen dioxide gas. NO2+O---->NO2 (i'm not sure about this, please check) nitrogen dioxide and water----> nitrous

    asked by Anonymous
  8. Physics

    A car traveling at a constant speed of 125 km/hr passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets in a chase after the car with a constant acceleration of 2.7 m/s^2. How far does the

    asked by Lindsay
  9. math algebra

    A train averaged 80 km/h for the first half of its trip. How fast must it travel for the second half of the trip in order to average 96 km/h for the whole trip? The answer is 120 km/ h but how do i set it up and get there? thanks for you help

    asked by grace
  10. (another homework)classroom management

    what is the difference between classroom management and classroom discipline?...

    asked by klar maesen
  11. Physics

    A positive charge of 3.0e-6 C is pulled on by two negative charges. One, -1.9e-6 C, is 0.045 m to the north and the other, -3.7e-6 C, is 0.030 m to the south. What total force is exerted on the positive charge? F=kqq/d^2 You would have to find the F

    asked by Sarah
  12. Chemistry

    Can someone check my answers for me thank you. I have the equation balanced below. 2H2O + K2SO4 --> H2SO4 + 2KOH Ionic equation for the reaction between sulfuric acid and potassium hydroxide. 2H+ + SO4^2- + 2K+ + 2OH- --> 2K+ + SO4^2- + 2H2O Net equation

    asked by Susie
  13. Math accounting

    The following selected transactions were completed by Pilgrim Delivery Service during July: 1. Received cash from issuing capital stock, $115,000 2. received cash for providing delivery service, $58,000 3. Paid advertising expense, $2,000 4. Paid creditors

    asked by MiMi
  14. Chemistry

    Could someone please check my Chemistry homework? The molecular formula for cisplatin, a chemotherapy agent, is PtCl2(NH3)2 (The numbers are all supposed to be subscripts) 1. What is the molar mass of cisplatin? Ans: 300.06 g/mol 2. How many moles of

    asked by Nathalie
  15. Physics

    The hydrogen atom contains a proton, mass 1.67 10-27 kg, and an electron, mass 9.11 10-31 kg. The average distance between them is 5.3 10-11 m. The charge of the proton is the same size, opposite sign of the electron. a)What is the magnitude of the average

    asked by Susan
  16. finance

    There is a preferred stock that pays a dividend of $5.00 at the end of each year. The stock sells for $60.00 a share. What is the oreferred stocks require rate of return?

    asked by wynonna
  17. Chemistry

    How many kilograms of aluminum can be extracted from 2.0 metric tons of the ore 'alumina' (Al2O3)?

    asked by Nathalie
  18. Chem.

    Three emission lines involving three energy levels in an atom occur at wavelengths x, 1.5x, and 3.0x nanometers. Which wavelength corresponds to the transition from the highest to the lowest of the three energy levels? Please help me, thank you very much

    asked by Jady
  19. Chemistry

    Please help me break this problem down.. Thanks lot. Light with a wavelength of 425 nm fell on a potassium surface, and electrons were ejected at a speed of 4.88 X 10^5 m/s. What energy was expended in removing an electron from the metal? Express the

    asked by Olivia
  20. comparative essay

    okay this is my intro Egar Allen Poe is well known for his Gothic Novels.There are many different enterpretations of "the Raven" that have been presented over the years.Edgar Allen Poe and The simpsons rendition of "the raven" are similar in some ways and

    asked by chanel
  21. Algebra 2

    I have taken algebra 2 for three years in a row. I take notes daily, I pay attention in class, I have a tutor, and yet I am in the same position again. I currently have a 56.7% in my algebra 2 class. I have one test and the final exam before final grades

    asked by Zachery
  22. SCI

    Energy Resource Challenges  Post a 200- to 300-word response to the following: Describe all of the renewable energy alternatives (WIND POWER, SOLAR POWER, BIOMASS FERMENTATION) What are some challenges with using and managing these

    asked by Kimberly
  23. math

    What is the defintion of supplementary angles and complimentary angles and what is the difference?

    asked by jessie
  24. physics

    An astronaut weighs 696 N on the Earth. What is her weight on planet X, which has a radius Rx = Rearth 1.60 and a mass Mx = Mearth 8.60? -the only equation I know for weight is "w = m x g"...I don't know how to solve for w using force.

    asked by Courtney
  25. geometry

    the surface area of a sphere if the radius, r, is 6 meters.

    asked by lili
  26. homework help site w/ all subjects?

    does any one know of any other homework help site where people can draw stuff and explain things, the site covers all subjects, but i forget wat the site is, and i dotnt want a paying site like stupid tutor vista..

    asked by any other hmwrk help site?
  27. Physics

    a 5 kg block with a speed of 3 m/s collides with a 10 kg block that has a speed of 2 m/s in the same direction. After the collision, the 10 kg block is observed to be traveling in the original direction with a speed of 2.5 m/s. a) what is the speed of the

    asked by Sarah
  28. Algebra

    sovle the compound inequality 8

    asked by Kelsi
  29. Data Management

    Sorry...i wrote the previous questions wrong.. The producer of HB pencils has 720 pencils randomly chosen from each day's productions. A defect rate of 15% is acceptable. a) Assuming that 15% of all manufactured pencils are defective, what is the

    asked by Jamey
  30. History

    Which was not a cause of agitation by the Parisiaan lower classes in the 18th century. a.taxation b.farming methods c.Overpopulatin trade e.feudal rents i think it is D. Free trade

    asked by Evan
  31. Science

    What is an example of mutualism found in caves?

    asked by Ryan
  32. French

    En 1939, des militaires globaux étaient en conflit et la Deuxième Guerre Mondiale commence. Elle a divisé plusieurs nations du monde en deux alliances militaires : les Alliés et les puissances d'Axe. La Deuxième Guerre Mondiale a été connue comme le

    asked by Dana
  33. Writing

    How can I end this? ____ The bridge I made a model of is the Sydney Harbor Bridge. The bridge is located at Sydney, Australia. The Sydney Harbor Bridge is the main way to cross the Sydney Harbor carrying rail, vehicular, and pedestrian traffic between

    asked by Bob
  34. geometry

    Find the surface area to volume ratio for a rectangular prism with edge lengths 7, 5 and 11

    asked by anonymous
  35. English

    What is wrong with this sentence. Grammar wise... If he cannot attend the game, an elemental fan, according to an article in SPORTS ILLUSTRATED entitled "Buck Wild For The Bucks", will watch the game on TV with family or friends.

    asked by Katie
  36. how come

    it takes forever to get a reply from a teacher? i asked a question about science 12 hours ago, yet no one has helped me. do you have any suggestions of where else i could go for help?

    asked by hok
  37. slope

    In a rectangle ABCD, the slope of line AB is 1 and the slope of line BC is -1/2. What is the slope of the altitude to line AD the altitude to line CD. Thanks in advance.

    asked by jen
  38. financial management

    suppose you purchase a home for $150,000.and obtain a 90% mortgage loan, 30 yr. maturity, at a fixed annual interest rate of 80% with deferred monthly payments. What is the monthly payment for principal and interest on this loan?

    asked by cj
  39. Accounting

    Year end inventory at cost $55,902, at retail 84,700. Questions: A year-end physical inventory at retail prices yields a total inventory of $78,550. Prepare a calculation showing the company's loss from shrinkage at cost and at retail.

    asked by Jill
  40. public administration

    PLEASE HELP. I am stuck on this question. Which of the following is not one of the outside forces impacting an agency head? A. Legislators B. The courts C. Demands of unionized workers in the agency D. Special Interest groups

    asked by Keith
  41. public administration

    LAST QUESTION I PROMISE> I AM STUCK PLEASE HELP In the area of public administration, which of the following is considered to be a reformer? A. Franklin D Roosevelt B. Dwight D Eisenhower C. Gerald R Ford D. Calvin Coolidge

    asked by Keith
  42. physics

    starting from rest, a ball rolss, down an incline ata constant acceleration of 2meters per second what is the velocity of the ball after 8.5 seconds? how far does the ball roll in 10 seconds? any one can help pleasse im stuck

    asked by ashley
  43. physics rewrite

    starting from rest, a ball rolls, down an incline at a constant acceleration of 2meters per second squared what is the velocity of the ball after 8.5 seconds? how far does the ball roll in 10 seconds? any one can help pleasse im stuck show n detail how to

    asked by ashley
  44. Religion

    Historical figures and events:Hinduism Confucianism Buddhism And Daoism

    asked by Danny
  45. Science

    Farmer Jackson plowed a field at the top of a hill and then had a crop dusting plane spray weed killer on the field. After a few days, he noticed that there were still a lot of weeds in the field. He noticed that weeds in a field that was located right

    asked by Latonie
  46. Algebra

    I reduced a diagram on my computer using a scale factor of 8o%(i.e. the linear dimensions of the diagram were reduced so they became 80% of the original dimensions). What scale factor is required to return the diagram to original size?

    asked by Bobby
  47. Geometry

    If I know the number of sides of a regular polynomial(10), how do I find the exterior and interior angles?

    asked by Erick
  48. AP Biology

    We just did the Osmosis and Diffusion lab in Biology. My teacher wants us to use water potential (and its equation) to explain the do I use the water potential equation?

    asked by Marie
  49. Algebra II

    Add, multiply, divide, or subtract as indicated. 1. (x + 7) (x2 – 3x + 2) 2. (x + 7) – (x2 – 3x + 2) 3.(x + 7) + (x + 7)

    asked by Sarah
  50. Math


    asked by GEO
  51. Physics

    "The exact relationship for the period T of a simple pendulum is T=2*pi*sqrt_of(l/g) where l is the length of the pendulum, and g is the acceleration of gravity." I have to rearrange the formula to where you solve for l instead of t. I started to try to do

    asked by Emily
  52. physics

    what is the vert. comp. of vector with magnitude 88.5m/s and whose horiz. comp. is 75.4m/s? what is the direct. of this vector?

    asked by Anonymous
  53. physics

    a force accelerates a car of mass 1240 kg at 2 km/hr. what is the force? i need help how do you get the acceleration? i know f=ma but what's the a? or is this the wrong equation?

    asked by Cierra
  54. Algebra 2

    Solve: 0 = x3 + 5x2 + 2x – 8 Solve: 0 = x3 – x2 – 11x – 10

    asked by Christian
  55. Math

    Tori needs 9 15/16 yards of fabric for one project. She needs 1 7/8 yards of fabric for another project. How much fabric is needed for both projects?

    asked by Patricia
  56. geometry

    The oblique prism has a height of 6 inches, a width of 2 inches and a length of 7 inches. Find the volume

    asked by anonymous
  57. Algebra

    f(x) = -8x4 – 3x + 2 1. Given the function above, what is the right end behavior? 2. Given the function above, what is the left end behavior? 3. Given the function above, what is the maximum number of turns?

    asked by Zachery
  58. Math

    solve: 4x+18=22 please help. i just need to understand how to do this for i have many problems like this on my final, and i have forgotten how!

    asked by EAW
  59. physics

    A projectile hits a target placed on a level field. It has arange of 37.0 m. The nagle of launch is 33.4 degrees above the horizontal. What was the initial speed?

    asked by Anne
  60. Maths/Law of sines

    I have a spherical triangle and I know 1 angle 31.3 degrees and all 3 sides which are 1624, 2118.4 and 1078.85 nautical miles. In order to find the other 2 angles I know I must use the law of sines: sin A over a = sin B over b = sin C over c If angle A is

    asked by Mike
  61. Chemistry

    I was supposed to figure out whether the following equations produced precipitates or not. Here are my answers, but I know that they are wrong. So I still can't figure out where I'm messing up...? Please help! HgCl2 (aq) + K2CrO4 (aq) = Yes Ba(OH)2 (aq) +

    asked by Cierra
  62. Calculus

    My book says to do the following problem via computer and via hand: Calculate the definite Integral of e^-x * cos x dx over (0, +infinity) My TI-89 calculator gets 1 (it gets the same thing when I replace infinity with 999). when I do this by hand, I get:

    asked by mathstudent
  63. Calculus

    Suppose that the region between the x-axis and the curve y=e^-x for x>=0 has been revolved around the x-axis. Find the surface area of the solid. I got 3*pi The book shows an answer of pi * [sqrt(2) + ln(1 + sqrt(2))] Where do I go wrong? For the sides of

    asked by mathstudent
  64. Algebra 2

    indicate whether the function is quadratic. (-5x-4)(-5x-4) then 2(x+2)squared-2xsquared

    asked by Magie
  65. Geometry

    How do I find the number of sides a regular polygon has if I only know te measure of the exterior angle, such as 40 degrees?

    asked by Erick
  66. Math

    Wha are the roots of x to the second power divided by x minus six equals Zero?

    asked by Jacob
  67. Math HELP please

    ____ How do you simplify these? / \/ 24 Including numbers such as 40 60 and 48?

    asked by Josh
  68. Algebra- functions

    How do I know how many possible zeroes of a function there are? I have a graph and i have to find how many zeroes there are.

    asked by Justine
  69. Geomety

    Find the distance between each pair of parallel lines y= -3/4x-1 3x+4y=20 Please help

    asked by Connie
  70. Latin

    In Catullus' 3rd poem what does "Veneres Cupidinesque" refer to and what is the signifigance of "passer"? I've checked some sites but they don't give me clear explanations to these 2 things.

    asked by Anonymous
  71. Segregation

    If segregation was really bad ,why did it start in the first place?

    asked by Brooke
  72. history

    whatdid the people of ancient ghana have that the proto bantu speaking people have did not have

    asked by sahlah
  73. Public administration

    PLEASE HELP Public organizations borrow money from the private sector to avoid conflict with A. Taxpayers B. Policymakers C. Banks and lenders D. None of the above

    asked by Keith
  74. public administration

    The capture hypothesis states that public organizations A. Steal employees from the private sector B. Battle for more than their fair share of tax monies C. Become influenced by special constituencies D. will, when given the opportunity, bleed resources

    asked by Keith
  75. Comparative essay

    okayyy well im still working on that comparative essay on the simpson version of "the Raven" by A.E poe and the origional poem... and well im comparing moods between the both and well i don't know what to talk about... like what's diferent between the two

    asked by chanel
  76. math

    okay i need to find a complamentry angle whos difference is 12 degrees

    asked by Rachel
  77. math

    okay i need to find a complamentry angle whos difference is 12 degrees

    asked by Rachel
  78. Algebra

    What are the formulas sum of perfect cubes and difference of perfect cubes? bobpursley said to use them in one of my other posts but I don't know those formulas.

    asked by Ashlynn
  79. Data Management

    The producer of HB pencils has 720 pencils randomly chosen from each day's productions. A defect rate of 15% is acceptable. a) Assuming that 15% of all manufactured pencils are defective, what is the probability of finding at least 80 percent defective

    asked by Jamey
  80. history

    the 1801 concordat between Napolean and the pope resulted in all of the following except a. Napoleon beecame head of the French chirch woth the right to appoint and dismis bishops b. the vatican accepted the confiscation of its lands by the revolutionary

    asked by Evan
  81. math help please

    2% of 55 and 14is 70% of what number

    asked by Anonymous
  82. Psychology

    We (3) have to lead half hour class discussion on introduction to Psych., ask 3 questions, make a case study. We don't know where to start. It's only introduction?? Help!! tx

    asked by Karon
  83. Data Management

    The producer of HB pencils has 720 pencils randomly chosen from each day's productions. A defect rate of 15% is acceptable. a) Assuming that 15% of all manufactured pencils are defective, what is the probability of finding at least 80 percent defective

    asked by Jamey
  84. physics

    i don't understand how to do this question, its a phys 11: "A skier is acc. down a 30.0 degree hill at 3.80m/s^2" a) What is the horiz. comp. of the acc.? b) What is the vert. comp. of the acc.? c) Assuming she starts from rest and acc. uniformly down

    asked by Anonymous
  85. language

    How can you tell a valid opinion from a bias opinion? I realize when they are obviously slanted, but what makes an opinion valid?

    asked by Zoe
  86. Algebra

    what are the 3 formulae for slope? Thank you so much! -Raziel

    asked by Raziel
  87. geometry

    What is the surface area of this right cylinder? Dimensions are in meters. Use 3.14

    asked by anonymous
  88. geometry

    If a sphere has a diameter of 4 inches, what is the volume? Use 3.14 for

    asked by anonymous
  89. math

    There are 2 similar triangles. 1 has coordinates (2,3)(3,4)(2,7). The other has coordinate (7,6) and letter A for the right corner of the base and P for the top. A has coordinates 1)(9,8) 2)(10,9) 3)(7.5,6.5) For each case find the scale factor for

    asked by Anonymous
  90. Chemistry

    "Under constant conditions of P(pressure) and T(temperature) (and R [gas constant]), write an equation showing d(density) written as a function of M(molecular mass)." I don't understand this, really! Please help! Thanks in advance!

    asked by TAG
  91. Science

    How limbless salamanders evolved according to Darwin's theory of natural selection.

    asked by Crystal
  92. Physics

    What is the total charge on all of the electrons in two liters, 2 kg, of water? One mole of water has a mass of 18 g and each molecule of water contains 10 electrons. Way I worked problem: (2kg)(1000g/1kg)(1mol/18g)(10e-/1mol)(-1.60e-19/1e-) What I did do

    asked by Jane
  93. Algebra 2

    1. Is the absolute value of 4-x >14 a disjunction or a conjunction? 2. If you have a function what is domain?

    asked by Christian
  94. Math

    evaluate f(3) when f(x)=5x=9 please help me. i don't understand what the f stands for and what im supposto do... thanks!

    asked by EAW
  95. Algebra

    Factor completely: 1. 8x3 + 2x3 – 12x –3 2. 27x3+8 3.125 – 8x3

    asked by Ashlynn
  96. english

    I have a test over literary devices and we have to write which devices are used in a speech of some sort. But I need to find a way to practice it...any advice or websites?

    asked by nicole
  97. Science

    Stanley had been collecting shells and stones for several years. One day he was walking along shore of a lake and found a beautiful stone. When he turned the stone over, noticed that there was an imprint of an animal on the bottom. His mother said it might

    asked by Latonie
  98. Math

    Please help with this question. Determine an algebraic model for Alvins data and use it to make a reasonable prediction for the population in 2036. I am having trouble with the algebraic model. thanks

    asked by Nikki
  99. Science

    How are valence electrons involved in the formation of a covalent bond? They gave me the answer as...They are shared with another atom (or atoms). However, i thought they shared electrons not confused me

    asked by Shannon
  100. Science

    What happens if you submit a sedimentary rock to intense heat and pressure?

    asked by Melissa
  101. history

    All of the following are truewith regard to the French philosophers except a. Their ideas sparked the french revolutin b. they promoted the rights of the lower classes, the min participants in the French Revolution c. They contributed to the new forms of

    asked by Evan
  102. calculus -- PLEASE HELP!

    1. To five decimals it is a fact that log(2)=.30103 Compute the following to three decimal places usuing ONLY this fact and the logarithmic rules and the definition of a logarithm. a. log100 (2) --base 100 b. log1000 (square root of 2) -- base 1000 2.

    asked by anonymous
  103. english

    when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)

    asked by spelling-grammer
  104. Algebra

    I posted this earlier in the day but no one answered. Can anyone help with these problems? Factor completely: 1. 8x3 + 2x3 – 12x –3 2. 27x3+8 3.125 – 8x3

    asked by Ashlynn
  105. Percent error?

    What is the formula for percent-error? It's either: %error= (your value/accepted value)*100 or %error= (accepted value/your value)*100 I'm pretty sure it's the first one, but I also heard it can go either way. I tried both ways but I end up with two

    asked by Emily
  106. Social Studies

    I need an idea for making a craft project that has to do with the Cherokee Indian Tribe. Thank you!

    asked by Brad
  107. mass affects on energy

    I need to come up with an experiment for observing how mass affects energy. Does anyone have any suggestions?

    asked by Justin
  108. algebra

    if f(x) = x^2 - 2x, find f(x+2) - f(2) / 2 the answer is: x+2 but l got: x^2 - 2x - 8 = 0 which is x = 4 or x = -2

    asked by dave
  109. linguistics

    what is a firthian linguistics?...its full structure and history...

    asked by klar maesen
  110. Science

    How are valence electrons involved in the formation of a covalent bond?

    asked by Shannon
  111. Physical Science

    Hello, The following problem I worked out with this formula: V2=V1+gt. I came to the the answer 78.4 m/s. Can you tell me if that is correct. Thank You If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground,

    asked by Mandi
  112. Math


    asked by MOO
  113. Math

    Determine how far electricity travels in 16 mins. a. 1,785,600 mi b. 17,856,000 mi c. 178,560,000 mi d. 1,785,600,000 mi

    asked by Patricia
  114. Math

    solve: y(squared)-144=0 please help, for like the other one, i have this on my final too. Thank You!

    asked by EAW
  115. Science

    How do you explain how air resistance works?

    asked by Hannah
  116. MATH

    a^-1 + b^-2 / a^-2 + b^-1 The answer is ab(b^2 + a) / b(b+a^2) How do I set that up and work the problem out? thanks for the help

    asked by grace
  117. Is their a history tutor on Board right now?

    I really need help with my homework. On the hand I do appriciate all the other help I have gotten the past other days I have been on the website.My grades have been boosted up all because of the help Ive gotten on here

    asked by Brooke
  118. MATH

    sorry. i messed up the last one. its evaluate f(3) when f(x)=12x-5 sorry. but if you could help, it would mean the world to me. : ) Thansk!

    asked by EAW
  119. science

    What is Boyle's and char?les's Law

    asked by Antonio
  120. Social Studies

    What were Egyptain portrait masks made of?

    asked by Jamie
  121. English

    What are some ideas of writing a satire or parody of a stereotype in todays western world.

    asked by Nikki
  122. history

    One reason for middle class resentment of the French Aristocracy was that a. The aristocracy paid no taxes while the bourgeoisie paid heavely b. The middle class felt shut out of many government offices and honors I think it is A.

    asked by Evan
  123. history

    The napooleonic code a. banned labor unons b. increased individual rights and limited the state's powers ub crunubak cases I think it is b

    asked by Evan
  124. Algebra

    When are 2 lines parallel? It's where there are no solutions to the set of equations of the lines, right?

    asked by Joey
  125. MATH HELP


    asked by Anonymous
  126. Science

    Science project: how does the type of liquid affect weathering. Where do I find info on this subject? I am not sure what questions to ask/answer to start this project

    asked by Lee
  127. Latin

    I need to create a modern interpretation on Horace's ode 1.9, but I don't know what to write about. If anyone could help me I would be grateful.

    asked by Bailey
  128. Algebra- functions

    How do I find the solutions and factors of a function when given only the graph?

    asked by Justine
  129. Social Studies

    What was the substance used to stuff in the mummy's nostrils?

    asked by jorge
  130. Math

    -5t = t+12

    asked by Joe
  131. Math...

    solve the porportion: 9/12=15/? please help.

    asked by Erin(im so confused!)
  132. Math

    -5t = t+12

    asked by Joe
  133. How would you solve the following inequality

    How would you solve the following inequality algebraically? 0.5(x + 2)^2 (x - 4) > 2x + 3

    asked by Anonymous
  134. Physiology

    Please check answers, and correct if it is wrong! 1) How many bones are there in the adult spinal column? 26 bones 2) How many bones are there in the thoracic section?12 3) At what age are the curves fully developed?10 1) What rib/s are attached to the

    asked by 565