Questions Asked on
February 15, 2009

  1. chem

    Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5 10-3, Ka2 = 8 10-8, and Ka3 = 6 10-10. Calculate [H+], [OH -], [H3AsO4], [H2AsO4-], [HAsO42-], and [AsO43-] in a 0.20 M arsenic acid solution. i cant do this. i don't even know how to start.

    asked by Cab
  2. Chemistry

    Calculate the concentrations of all species present in a 0.33 M solution of ethylammonium chloride (C2H5NH3Cl). Okay so i tried doing HA = H + A ice table regular it doesnt work idk what Ka to use. b/c of the chloride. i have to find [C2H5NH2][H+][OH

    asked by Spencer
  3. Physics

    Light that is polarized along the vertical direction is incident on a sheet of polarizing material. Only 94% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. No light passes through the second sheet.

    asked by Delli
  4. Physics

    please check these answers for me When an object is moving with uniform circular motion, the centripetal acceleration of the object a. is circular b. is perpendicular to the plane of motion c. is zero d. is directed toward the center of motion D What is

    asked by teamjakeward
  5. Chemistry

    At 25°C, K = 0.090 for the following reaction:H2O(g) + Cl2O(g) 2 HOCl(g) Calculate the concentrations of all species at equilibrium for each of the following cases. (a) 1.2 g H2O and 1.6 g Cl2O are mixed in a 1.4 L flask. (b) 1.2 mol pure HOCl is placed

    asked by Lindsey
  6. Physics

    calculate the following, expressing the answer in scientific notation with the correct number of significan figures: (8.86 + 1.0 * 10^-3) / 3.610 *10^-3 2454.57?

    asked by y912f
  7. chemistry

    Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate has to dissolve in water to absorb 114 kj of heat?

    asked by reese
  8. Chemistry

    A sample of conc. nitric acid has a density of 1.41g/ml and contains 70% HNO3 by mass. What mass of HNO3 is present per L of solution? What is the molarity?

    asked by Tree Frog
  9. Micro Economics

    Resources are being used efficiently when 1. scarcity is not longer an issue 2. they are also used equitably 3. every opportunity to make people better off has been utilized 4. there are still gains from trade available

    asked by Drake
  10. College: Chemistry

    Hi there, I need help on my homework for chemistry and I do not understand the step on how to work this problem out. Please help me with this problem: On a Sunday morning while having your breakfast you determine that you need about 2.95X10^(5)J to heat

    asked by Mai
  11. chemistry

    Use Henry's law to determine the molar solubility of helium at a pressure of 1.5 atm and 25 degrees celsius . this is what I know... Sgas = kH x Pgas so then I plugged in... Sgas = 3.7 x 10-4 x 1.5 my answer was .055 and it is wrong. could someone please

    asked by reese
  12. Chemistry

    NEWW- 0.10 M methylamine (CH3NH2) kb= 4.38e-4 calc the percent ionization so i did the ICE table to find that x=6.62e-3 (that was a typo the first time) and then i divided by .1 and then multiplied by 100. but i got the wrong answer whats did i do wrong?

    asked by Spencer
  13. Chemistry

    When 50.0mL of 0.100M NH3 (Kb=1.8x10^-5) solution is mixed with 20.0mL of of 0.250M HCl solution, what is the pH after reaction? I solved the ka=5.56x10^-10 and I solved the moles of each nHCl and nNH3 and both have 0.005 moles. What do I do after this?

    asked by Kearstyn
  14. chem plzzz help

    okay so im doing pre lab questions on reaction rates I have a chart labeled effects of varying concentration in reaction #1 flask A contains 7.50mL of .200 M KI , none of .20M KCI, 5.00 mL of .0050 M S2O3^2-, 1 drop of starch. Flask B contains 7.5mL of

    asked by Anna
  15. Statistics

    1) A Motor Company has purchased steel parts from a supplier for several years and has found that 10% of the parts must be returned because they are defective. An order of 25 parts is received. What are the mean and standard deviation of the defective

    asked by BEARHUG
  16. college: Chemistry

    I need help on this homework problem and I do not understand how to work on it. Please help me with this problem. The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium,

    asked by Mai
  17. Chemistry

    When 50.0mL of 0.100M NH3 (Kb=1.8x10^-5) solution is mixed with 20.0mL of of 0.250M HCl solution, what is the pH after reaction? I solved the ka=5.56x10^-10 and I solved the moles of each nHCl and nNH3 and both have 0.005 moles. What do I do after this?

    asked by Kearstyn
  18. Chemistry

    i need help. Calculate the pH of a 0.24 M CoCl3 solution. The Ka value for Co(H2O)63+ is 1.0 10-5. how do u do these with like the Cl there?

    asked by Lindsey
  19. physics

    how do i do this A force of 230 N applied on a hydraulic lift raises an automobile weighing 6500 N. If the applied force is exerted on a 7.0 m^2 piston, what is the area of the piston beneath the automobile? a. 2.0 * 10^2 m^2 b. 4.0 m^2 c. 0.25 m^2 d.

    asked by y912f
  20. Chemistry

    Aluminum cookware is reffered ti as "anodized aluminum". The anodizing process puts a layer of aluminum oxide on the aluminum, protecting it from corrosion. Consider the reaction of 10.00 grams of aluminum with 10.00 grams of oxygen to form aluminum oxide.

    asked by Stacey
  21. Spanish

    ¿Qué piensas? 1. ¿A ti te gusta pasar un rato con los amigos? Sí, me gusta pasar un rato con los amigos. 2. ¿Qué te gusta hacer en el día de activadades con amigos? Me gusta alquilar un DVD. 3. ¿Qué otras actividades te gustan? Tambien me gusta

    asked by Larry
  22. college-- chemistry

    I am having a problem with this problem from my homework. I need some help on this problem. Microwave ovens work by irradiating food with microwave radiation, which is absorbed and converted into heat. Assume radiation with wavelength=15.0cm is used and

    asked by shylo
  23. Physics

    i'm really lost here. please show me how to solve this A 0.10 kg piece of copper at an initial temperature of 94 degrees C is dropped into 0.20 kg of water contained in a 0.28 kg aluminum calorimeter. The water and calorimeter are initially at 15 degrees

    asked by teamjakeward
  24. geometry

    graph the following 2 graphs - y=2x+3 and y=2x-4. a)state the intersections on the y axis and the x axis. b)what is the vertical and horizontal difference between the two graphs? PLEASE help i don't understand? I know how to graph the eqautions but not too

    asked by caitlyn maroon
  25. physics

    please tell me if these are correct A track star in the long jump goes into the jump at 12 m/s and launches herself at 20.0 deg above the horizontal. What is the magnitude of her horizontal displacement? (Assume no air resistance and that Ay= -g = -9.81

    asked by y912f
  26. Writing

    I'm writing a story about a girl who loves a boy that barely notices her and her best friend is trying to set them up even though he is in love with her as well. I don't know if i should make the girl fall in love with her crush or her best's

    asked by Sage
  27. year 8 Geography

    In Geography i am learning about the River Tees.for my homework i need to do a project. The questions i need to answer are:- Q 1 ) How does the river tees effect the landscape on it`s journey from the source to the mouth? Q 2 )What process takes place in a

    asked by Amy
  28. history

    How and why did Europeans perceive the peoples and resources of the New World? How and why did Native Americans perceive the peoples and resources of the Old World?

    asked by tracy
  29. AP Chem

    A 0.23 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.68. Calculate the pH of a 0.23 M chlorobenzoic acid (HC7H4ClO2) solution

    asked by Jake
  30. Quick Spanish

    1. ¿Cómo es Felipe? 2. ¿Son los chicos buenos amigos? ¿Por qué? 3. ¿Cómo son los amigos de tu clase? Please help me translate these questions. Muchas Gracias.

    asked by Larry
  31. physics

    I'm confused as how to find the current for a circuit with both parallel and series resistors? R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4 = 10 Ù V = 7 V R2 and R4 are parallel, then these are in series with R3, then this whole system is in parallel with R1. I need

    asked by c
  32. chemistry

    The pH of a 1.00 10-3 M solution of pyrrolidine is 10.82. Calculate Kb. i keep getting anumber that is ^ (positive) and that's way to big....

    asked by Jennifer
  33. physics

    If sigma(t)^2 denotes the standard deviation in the quantity t^2, show that sigma(t)^2=2tsigma(t) I don't even know where to begin... help plzz

    asked by Anna
  34. English

    I am doing my essay on drugs use among teens I need someone one to look at my thesis here is my out line. and i need a introduction and conclusion. Thesis: in today society drug use among teenagers is becoming more crucial for society. Outline for Drug use

    asked by Gertrude Sanders
  35. Algebra 2

    I need some help with my radical equations. I would really appreciate some aassistance.

    asked by George
  36. physics

    write down the uncertainty in the volume of the cylinder (3.36*10^-2) write down the minimum uncertainty with which the volume of the cylinder can be determined (1.79*10^-2) it says to compare these values and discuss briefly. I figured out how to find

    asked by Anna
  37. Physicis

    Given: Two teams of children are well-matched, and they pull on the rope with exactly the same force. They have placed a 65n weight at the center of the rope. The teams first pull with 750n of force each, then in an heroic effort to straighten the rope,

    asked by Joshua
  38. Chemistry

    How is polonium-210 used in anti-static products? Why is its presence in commercial products (eg. anti-static hair brushes) a concern?

    asked by Amanda
  39. 10th grade physical science

    you are doing a six day tour ofthe coast of south africa. you fly from jhb to cape town in cape town you join a luxury bus tour which takes you via george along the gardens route to p.e then further along the coast to east london ending in durban from

    asked by keneilwe
  40. math

    solve the following two equations algebraically. 4x+3y=12 4x-y=4 give the coordinates of intersection.

    asked by tyler smith
  41. Posting

    I keep trying to post a question about chemistry and the site keeps telling me that there is an error because I am trying to put in a link to a website. This is not true! I tried to contact the website, and put in my question there. Can someone from this

    asked by Sadie
  42. Micro Economics

    Economists believe that resources should be used as efficiently as possible to 1. achieve society's goals 2. eliminate scarcity 3. reduce inequity 4. do all of the above

    asked by Bigboy2
  43. math

    solve each equation for 0=/

    asked by sh
  44. civics (history)

    Miranda v. Arizona case how is the 14th amendment implicated in this case? how did the court go beyond its usual practice in coming to a decision?

    asked by coco
  45. Physics

    A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.600m^3 and the tension in the cord is 840N . What is the mass of the sphere? And Calculate the buoyant force

    asked by Amanda
  46. Child Care

    Disciline refers to behaviors that are A. expected. B. self-regulated. C. harsh D. punitive. my answer is B. CAN YOU TELL ME IF I AM CORRECT

    asked by Cindy
  47. Science/chemistry

    Could you please check these answers I don't understand #4 could you give me a link or you can try to help me. Thanks: 1. Identify what all organic compounds have in common, and list the four principal classes of organic compounds. Answer: Cabohydrates,

    asked by Gabby
  48. physics

    A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.600m^3 and the tension in the cord is 840N . What is the mass of the sphere? is this how i would find the

    asked by Amanda
  49. Chemistry

    We are currently studying significant digits/figures. I was asked to add 150 ml with 76.9 ml, plus 209 ml plus 0.036 ml. The book says the answer is 440, but I got 435. (the complete answer, without applying the significant digits rule is 435.936) How did

    asked by Coralie
  50. college math

    is the integral of 1/x^2, 2x ln of the absolute value of x^2?

    asked by Laura
  51. accounting

    1) Straight-Line Method 2) Declining-Balance Method 3) Double-Declining-Balance Method 4) Sum-of-the-Year's digits Method What are the main characteristics of each method and in what situation would you use each of these methods?

    asked by China
  52. AED

    I need help bad with the following Use at least three sources—other than the text for this course—to support your plan. Construct either a 1,050- to 1,400-word paper or a 15- to 20-slide Microsoft® PowerPoint® presentation (with presenter’s notes),

    asked by troyer0269
  53. french

    J'adore = i love J'aime = i like ????????????? Je n'aime pas = I don't like Je déteste = I hate what is a neutral opinion?

    asked by valerie
  54. English

    Can someone Please heip me with my Punctuation and make sure this process paragraph makes senes. Thank you! You can learn how to tie a necktie following these steps. To get started, you will need to select a necktie of your choice and stand in front of a

    asked by Angie
  55. math

    Solve by elimination method. 0.3x – 0.2y = 4 0.5x + 0.5y = 85/19

    asked by Anonymous
  56. History

    Are these true or false: 1. Thoreau argued that the legitimacy of democratic laws demanded obedience and represented a higher law than one's indiviudual philosophies or ethics False? 2. The wave of national uncertainy and secularism in the early 19th

    asked by Anna
  57. careers

    Is it true majoring in history is a non-traditional field for women?

    asked by Rosalyn
  58. ecology

    Why do organisms with the widest limits of tolerance, for most factors, will be the widest distributed?

    asked by ecology
  59. math/ cal

    how do you integrate sin (x^2) dx?

    asked by Laura
  60. Physics

    How can you prove that acceleration due to gravity is the same in a resting and moving frame?

    asked by Christina AAAA
  61. Social Studies (Mrs. Sue I redid the 4 paragraphs)

    I need someone to check this over thanks. I'm in 9th grade could you please give me a letter grade thanks City Goes Hungry Supporting this article will be very difficult because St. Louisans aren't getting any money from the state lawmakers. But on the

    asked by Valentine's Sweetheart
  62. Chem

    Another confusing significant digit problem. I added 36.6 and 2.4, and divided the result by 4.803. The book says the answer is 7.91, but I don'[t see how that could be, since the lowest number of significant digits in the problem is two (2.4). I think the

    asked by Coralie
  63. math/3rd grade

    For every 100 cars that enter the entersection from A, 30 cars head towards B, 40 cars head toward C, and 30 cars head towards D. If 60 cars enter the entersection from A, how many head toward B? Explain, thanks

    asked by Carol
  64. Chemistry

    2. Calculate the volume for the following object If you know that the object has a mass of 24 grams and the density is 12 g/ml. I tried to get rid of the 24 by multiplying it on both sides, and dividing on both sides, but neither worked. What will then?

    asked by Ben
  65. Biology

    Where and how are tree seedlings raised?

    asked by Rachel
  66. Algebra

    d) Suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y= -1/2x -4; this is what I got 4+y= -1/2x-4+4; y=4 and -1/2x + 1/2 making x=0 (0,4) is this correct?

    asked by A. W.
  67. science

    When the roller coaster is at the top of the loop, why doesn’t the person fall off the roller coaster? What forces are acting on the person when the roller coaster is going round the loop? Is it gravitational force and normal force?

    asked by jessie
  68. algebra

    [x+2] [x+2] [x+3] [+p/3] [x-3] [x+3] [x+9] [3x+xy-2xy][x+2y] [2x-5y][3x-2xy+7y] [2x-y]-[x+y] [0.59-0.3b][0.25-ab+0.5b]

    asked by keneilwe
  69. Marcoeconomics

    According to the formula, Bond price= y/r so bond price has a inverse relationship with interest rate.i.e. interest rate increases, bond price decreases. But why does it contradict with this demand-supply anysis: r(interest rate increases)--> returns from

    asked by David
  70. Physics

    please check these for me Which of the following is not a fluid? a. carbon dioxide b. hydrogen c. seawater d. wood D Which of the following statements is not correct? a. a fluid flows b. a fluid has a definite shape c. molecules fo a fluid are free to move

    asked by teamjakeward
  71. Algebra

    my question is:Suppose you want to add a sprinkler system, and the location of one section of the sprinkler system le can be described by the equation: y= -1/2x -4, this is what I got 4+y= -1/2x - 4 +4, 4y= 1/2x -1/2x; y=4 and x=0 making the answer (0,4).

    asked by A. W.
  72. finances

    E X E R C I S E S Exercise 11.1 The child and family government benefits seminar was such a success that Advocates for Children will conduct a second seminar in an adjoining community. The executive director decides that this second seminar will attempt to

    asked by monique solano
  73. English

    What characters in Lord of the Flies had physical defects? I couldn't think of any, unless you can't being nearsited (Piggy) as a physical defect, or obesity.

    asked by Rosalyn
  74. World History 201

    I have a homework assignment due tomorrow consisting of true/false questions. Would someone please review my answers and see if I am correct. Thanks. 1. Although women in ancient India were not priests, they were often chosen to teach the importance of the

    asked by Amy
  75. To: Wendy -- college

    I've removed your post about a complex business scenario because it presents no idea about how you'd like us to help you. Please repost with your ideas on the solutions and specify specifically where you need our assistance.

    asked by Ms. Sue
  76. Statistics

    Using the below information calculate the conditional probability of C given each of the age groups, or P(C/D), P (C/E), etc. Compare these probabilities and speculate as to which age groups seem more likely than others to have been (according to the legal

    asked by Stuart
  77. govt.

    How does the great penitentiary rivalry continue to shape and influence american thinking about the prison systems purpose?

    asked by lisa
  78. English

    Which one of these sentences uses pronoun correctly? a. Please give Paul and I your undiv ided attention. b. Jacob and me are going to set a meet ing date. c. Carol told Sylvia and he the good news. d. Send the package to Tanya and him.

    asked by Tony
  79. physics

    write down the uncertainty in the volume of the cylinder that you calculated in part 4 of the error analysis (i got 3.36*10^-2). Also write down the minimum uncertainty with which the volume of the cylinder can be determined. Compare these two values and

    asked by Anna
  80. physics/measurements

    how do you compute the uncertainty in the volume of a block?

    asked by Anna
  81. Chemistry

    Consider 57.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.800. What volume of water must be added to make the pH = 6.000?

    asked by Brian
  82. Math

    Jerome estimate that the total number of people for the past 2 years visiting the aquarium is 900,000. Gina estimated it to be 870,000. Write a number sentence to show how Jerome found his estimate.

    asked by Elecia
  83. Physics

    Calculate the acceleration of a Porsche when he goes from 0 miles/hr to 40 miles/hr in 5.6 seconds. (should I convert 40 miles per hour to miles/second?)

    asked by Tammy
  84. English

    I'm trying to come up with a title for my essay and it can't be more than four words? The topic was "war as a social disease". Everything that I come up with is longer than four words? Any ideas on how I can go about this. I hate when their is a limit of

    asked by Michele
  85. Child Care

    In order to learn to respect others and devlop healthy relationships, children need to A confront people with different idesa. B. develop strong self-esteem. C. be told what to think. D. learn to gain control over other children. I pick the letter B.

    asked by Brenna
  86. Algebra

    How do I write an equivalent expression using radical expressions for this: (a^2b^2)^1/9

    asked by Amy
  87. Quick Spanish

    ¿Qué peiensas? 1. ¿Tienes pelo castaño? 2. ¿Cómo son tus amigos? Not quite sure what these questions would translate to. Please help.

    asked by Larry
  88. French

    Bad thing happened, you may remember my other post about what does La Route du Rhum mean but anyway... I was at the library and got all this information but my time ran out and the computer logged off so I wasn't able to same it. I know wherei got most of

    asked by Micheal
  89. Jiskha in General

    Are some of the people on this site teachers? How do they have time to answer our questions? Don't they have to grade papers and such? I'm just curious and grateful that some people are willing to always be on here.

    asked by Ben
  90. government

    How a bill becomes a law?

    asked by Stacey
  91. Healthcare

    I need some help with find information on what are the implications for patients? What types of reform efforts are being implemented to improve caregiver’s socialization skills? The socializations process of caregivers. Will those reforms efforts be

    asked by Nikia walker
  92. college algebra

    Translate to an algebraic expression; the product of 48% and some number; use y to represent some number.

    asked by stephen
  93. theory

    I need theories on aptitude...please help me.......

    asked by klarmaesen
  94. To: Carol -- economics

    I've removed your post about researching nurses salaries. You've given us no idea how much of this complex assignment you've done nor how you'd like us to help you. Please repost when you can supply that information.

    asked by Ms. Sue
  95. math

    solve for 0=/

    asked by sh
  96. Writing/ Research

    In Katz ( Katz vs Olmstead), why did Douglas write a concurring opinion? what is the basis of his opinion? Do you agree or disagree with the opinion and why?

    asked by Ian
  97. math

    A machine is either working (state 1) or not workind (state 2). If it is working one day the probability that it will be broken the next day is 0.1. If it is not working one day the probability that it will be working the next day is 0.8. Let Tn be the

    asked by Sally
  98. 10th grade physical science

    you are doing a six day tour ofthe coast of south africa. you fly from jhb to cape town in cape town you join a luxury bus tour which takes you via george along the gardens route to p.e then further along the coast to east london ending in durban from

    asked by keneilwe
  99. statistics

    The following contingency table of frequencies is based on a five year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G respectively. Blood Alcohol Level of Victim Age A B C 0.00%

    asked by Stuart
  100. Math

    I need help with this partial fraction problem. Find the indefinite integral of (-5x^3+5x^2-5)/(x^4+X^3). I got -5(log(x+1)+(1/x)-(1/(2x^2)).

    asked by Sandra

    show that f(x) = x^2-1 (x is greater than and equal to 0) and g(x) = root(x-1) (x is greater than and equal to -1) are inverse functions. when i try f(g(x)) = x and g(f(x)) = x to show that the two functions are inverses it doesn't work because i am not

    asked by joey
  102. physics

    can anyone show me how to do this? A container of gas is at a pressure of 3.7 * 10^5 Pa. how much work is done by the gas if its volume expands by 1.6 m^3? thanks

    asked by y912f
  103. English Literature

    How does J.B Priestly encourage the audience to agree with the Inspector’s view that “We are members of one body” as apposed to Mr. Birling’s view that “a man has to make his own way”?

    asked by Edna
  104. grammar

    The antecedent in the following sentence is students: Students in online classes have to be organized to keep up with their assignments.

    asked by tabby
  105. math

    how do you subtract 10-1 1/2

    asked by mike
  106. Cultural Diversity

    What are the current changes in U.S. policies concerning the treatment of Muslim and Arabic Americans?

    asked by Joy
  107. Cultural Diversity

    "According to current research and news reports, what are some of the changes the U.S. has make to policies concerning the treatment of Muslim and Arabic members of society?" Axia College Week 5 syllabus ETH125 I have checked on Google and only finding

    asked by Joy
  108. Cultural Diversity

    Thank you Ms.Sue, That's what I thought since I have checked online and come up with nothing new either.

    asked by Joy
  109. Statistics

    Using the information presented calculate the following probabilities: Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% 0.10% D 0-19 142 7 6 155 E 20-39 47 8 41 96 F 40-59 29 8 77 114 G 60 over 47 7 35 89 Total 265 30 159 454 A) P(A or D) B) P(B or

    asked by Stuart
  110. government

    what is the economic stimulus package and what implications would it have on peopleof this country?

    asked by jerson
  111. college math

    how do you integrate (cos^2 x)^4

    asked by Laura
  112. Math-Functions

    How would you solve the following equation when x= -6 x=y^2-5y

    asked by Sabrina
  113. Algebra II

    How do I evaluate log base 8 of 4?

    asked by Jacob
  114. gov

    are many people happy with the stimulus package

    asked by jerson
  115. math

    how do you integrate 30x^2/((x-2)(x+3)(x-5)) using partial fraction decomposition

    asked by Lauren
  116. math

    how do you integrate dx/(x^2*(x^2+4)^1/2)?

    asked by Lauren
  117. History 4th grade

    who was Polk?

    asked by Lawren
  118. English Ms. Sue

    How does will power not change the orignial conflict "war as a social disease versus non-conformity".

    asked by Michele
  119. 9th Grade English

    Is this the correct abbreviation for instructor (instr)

    asked by Carly
  120. math

    how do you integrate (3x+1)/(x-1)x^2 dx?

    asked by Laura
  121. Child Care

    One suggested way to foster both prosocial behavior and self-esteem is the use of A. reasoning B. time-out C. verbal aggression D. role modeling I pick the letter A.

    asked by Brenna
  122. Algebra

    Solve using the addition principle: 2x+9>x+14, x+9-9> 14 - 9, x>5 is this right?

    asked by A. W.
  123. college math

    how do you integrate ln(x^2+1)dx?

    asked by Laura
  124. Cultural Diversity

    What are current United States changes to policies concerning the treatment of Muslim and Arabic members of society?

    asked by Joy
  125. college math

    how should I integrate 1/(x^2 +1)^5

    asked by Ann
  126. gov

    is it hopeful that we will come out of this recession

    asked by jerson
  127. finance

    How would the following errors affect the account balances and the basic accounting equation, Assets = Liabilities + Owners' Equity? How do the misstatements affect income? o The purchase of a truck is recorded as an expense instead of an asset. o A cash

    asked by mary
  128. Healthcare

    I need some help with a list of caregivers perpectives on health.

    asked by Nikia walker
  129. animal biology

    What is meant when a cnidarian colony is described as polymorphic? What does it mean when an organism is described as colonial?

    asked by Anonymous
  130. Science

    ionic compounds for the following: calcium chloride calcium oxide sodium oxide sodium carbonate aluminium carbonate calcium sulfate sodium nitrate sodium sulfate aluminium oxide aluminium hydroxide

    asked by Alpana
  131. biology

    Why are coral reefs generally limited in distribution to shallow marine waters?

    asked by Kate
  132. Political Science

    Can you suggest good topic/s for my concept paper in PoliScie? Help me please. Thanks!

    asked by Phoenix
  133. Math

    i know the formuula for density is d=m/v. is the formula for mass then m=dv? what about the formula for volume? is that v=m/d?

    asked by Lonzy
  134. Science

    As a person moves away from the equator to the poles, his weight increases. Why?

    asked by janice
  135. ENGLISH

    What does it mean to vary the sentence pattern within a written work?

    asked by NICK