Questions Asked on
July 3, 2011

  1. physics

    two ends of a train moving with constant acceleration pass a certain point with velocities u and v. what is the velocity with which the middle point of the train passes the same point? I have asked this question before you have answered u+v/2. but my mam

    asked by pavatharani
  2. geometry

    in an equilateral triangle RST, R has coordinates (0.0)and T has coordinate of (2a,0).Find the coordinates of S in terms of a.

    asked by katie
  3. math

    enrollment in a business seminar increased from 52 people to 71 people. what was the percent increase.

    asked by nichole
  4. chemistry

    Which of the following pairs of molecules have the same oxidation number for carbon? CO and CO2 CH4 and CCl4 C6H12O6 and C(s) H2CO and COCl2 Carbon always has an oxidation number of +4 What mass of CuSO4.5H2O would you need to prepare 250.0 mL of a 0.250 M

    asked by Anonymous
  5. Algebra II

    If an object is propelled upward from a height of 16 ft at an initial velocity of 80 feet per sec, the its height after t seconds is given by the equation h=-16t²+80t+16, where h is in feet. after how many seconds will the object reach a height of 116 ft?

    asked by HELP
  6. Chem

    What is the speed of an argon atom that has a de Broglie wavelength of 5.2 pm?

    asked by Chris
  7. math

    find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. include correct units with each part in solution.

    asked by jenna
  8. physics

    a box slides down a smooth inclined plane 30m long and 10m high.determine the speed of the box at the bottom of the plane if it starts from rest at the top.

    asked by Anonymous
  9. physics

    a car moving on a straight road with a speed of 20m/s. at t=0 the driver of the car applies the breaks after watching an obstacle 150m ahead. after application of breaks, the car retards with 2m/s^2. find the position of the car from the obstacle at t=15s.

    asked by pavatharani
  10. Algebra II

    A projectile is thrown upward so that its distance above the ground after t sec is given by h(t)=-11t²+264t. After how many seconds does it reach its maximum height?

    asked by HELP
  11. Algebra II

    Suppose that y varies directly as the 3/2 power of x, and that y=192 when x= 16. find y when x=9.

    asked by Reanna
  12. Physics

    As your bus rounds a flat curve at constant speed, a package with mass 0.300 , suspended from the luggage compartment of the bus by a string 46.0 long, is found to hang at rest relative to the bus, with the string making an angle of 30.0 with the vertical.

    asked by dalke
  13. algebra

    5. 16t2 gives the distance in feet a free-falling object falls in t seconds. 16t2 + 10t gives the distance an object falls in t seconds when it is thrown down with an initial velocity of 10 feet per second. Use this polynomials to: a. Find how far a wallet

    asked by leigh
  14. geometry

    In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

    asked by katie
  15. Chem

    What is the wavelenght of a radio station operating at a frequency of 99.6 MHz?

    asked by Chris
  16. chemistry

    I am having trouble balancing one of the half reactions: AsO3^(-3) --> AsO4^(-4) Which side should OH and H2O go? Thanks.

    asked by Anonymous
  17. math

    family phone bill decreased from $50 a month to about $46 a month. what was the percent decrease?

    asked by nichole
  18. finance

    swh corporation issued bonds on january 1, 2004. The bonds had a coupon rate of 4.5%, with interest paid semiannually. The face of the bonds is $1000 and the bonds mature on January 1, 2014. What is the instrinsic value (to the nearest dollar) of an swh

    asked by Lisa
  19. exp of math

    sales of frozen pizza for a club fundraiser increased from 500 one year to 520 the next year. what is the percent increase

    asked by nichole
  20. early childhood education

    Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence

    asked by carmella
  21. chemistry

    Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states. a. (NH4)2CO3 and CrCl3 b. Ba(OH)2 and HCl c. FeCl3 and NaOH d.

    asked by ABCD
  22. math

    All 32 of students attended class on monday on tuesday 20 % attended. what is the percentage decrease?

    asked by nichole
  23. math

    find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please.

    asked by jenna
  24. physics

    An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.4 s. A passenger in the elevator is holding a 6.3 kg bundle at the end of a vertical chord. what is the tension in the chord as the elevator accelerates? The

    asked by alexa
  25. chemistry

    Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the following substances: CuSO4, Al2(SO4)3, Pb(NO3)2, and FeSO4.

    asked by ABCD
  26. physics

    Two masses are involved in an elastic collision. The first has a mass of 0.150 kg and an initial velocity of 0.900 m/s directed at an angle of 50 degrees with the positive y-axis as shown below. The second mass, of 0.260 kg moves along the x-axis with an

    asked by collisions
  27. writing

    Have you ever wondered what the world would be like in the future? According to events taking place now in the world, our future will change drastically. In 50 years, our society, environment, and schools will be greatly affected. Our society will change

    asked by Sally
  28. math

    how much money should you invest now to have 6000 in 11 years if you invest the money at a rate of 11.1%. compounded semiannually.

    asked by nichole
  29. business math

    Your brother just won the Power Ball lottery. He has the choice of $10,000,000 today or 30-year annuity of $500,000, with the first payment coming today. What rate of return is built into the annuity?

    asked by jama
  30. physics

    Two identical springs (neglect their masses) are used to “play catch” with a small block of mass 200 g (see the figure). Spring A is attached to the floor and compressed 10.0 cm with the mass on the end of it (loosely). Spring A is released from rest

    asked by Luis
  31. chemistry

    Consider the following equations. For each, decide whether it represents a chemical reaction or a physical change. a. SnCl4(aq) + 4H2O(l)  Sn(OH)4(s) + 4HCl(aq) b. 4K(s) + O2(g)  2K2O(s) c. NaCl(s)  Na+(aq) + Cl-(aq)

    asked by ABCD
  32. chemistry

    Benzene, C6H6, is a known carcinogen that burns in air according to the following unbalanced equation: C6H6(l) + O2(g)  CO2(g) + H2O(g) a. What is the mole ratio of O2 to C6H6? b. How many moles of O2 are required to react with each mole of C6H6? c. How

    asked by ABCD
  33. physics

    a point moving on a straight line traversed half the distance with a velocity v0. the remaining part of the distance was covered with velocity v1 for half the time, and with velocity v2 for the other half of the time. find the mean velocity of the point

    asked by pavatharani
  34. Physics

    Water is lifted out of a well 25.0 m deep by a motor rated at 1.50 hp. Assuming efficiency 90%, how many kilograms of water can be lifted in 1 min?

    asked by Luis
  35. math

    Suppose the 435 members of the House of Representatives are placed on committees consisting of more than2 members but fewer than 30 members. Each committee is to have an equal number of members and each member is to be on only one committee. a. What size

    asked by judy
  36. physics

    Two identical springs (neglect their masses) are used to “play catch” with a small block of mass 200 g (see the figure). Spring A is attached to the floor and compressed 10.0 cm with the mass on the end of it (loosely). Spring A is released from rest

    asked by Luis
  37. math

    in a 9 in. sq. cake pan and 1 10 in. sq. cake pan, what is the difference in volume each pan will hold? assume each pan is 3 in. high. show step by step work and correct units with solution.

    asked by jenna
  38. Math

    An inlet pipe on a swimming pool can be used to fill the pool in 24 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is one-third filled and then the drain pipe is accidentally opened, how long will it take to fill the pool?

    asked by Lamont
  39. world history

    How is the historical event of the 1981 Springbok Tour is, or was, of significance to New Zealanders.

    asked by Ali
  40. microeconomics

    Sam Johnson started a small machine shop, Machines, Inc., in his garage and incorporated it in March of 2002 as a calendar-year corporation. At that time, he began using his personal computer and tools solely for the business as part of his contribution to

    asked by Elizabeth
  41. physics

    A non stop bus goes from one station to another at a speed of 54 km/h. The bus returns from the second station to first station at a speed of 36 km/h. Find the average speed of the bus.

    asked by anil
  42. math

    how many cubic inches of ice cream can an ice cream cone hold (within the cone) if its height is 7 inches and the diameter of its base is 3 inches? give solution accurate to the nearest hundredth.

    asked by jenna
  43. Algebra

    An inlet pipe on a swimming pool can be used to fill the pool in 24 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is one-third filled and then the drain pipe is accidentally opened, how long will it take to fill the pool?

    asked by Lamont
  44. science

    The concentration of commercially available concentrated nitric acid is 70% , or 15.9M In 100 grams of solution there are 1.11 mol of HNO3. Calculate the volume of 100 g of the Solution.

    asked by Lahna
  45. chemistry

    iF 50.0 g of iron (II) carbonate react completely with hydrochloric acid, how many grams of carbon dioxide gas may be produced?

    asked by cHARLIE
  46. Algebra 2

    Factor: 10ab^3 – 5a^3b^2

    asked by Sam
  47. Algebra

    Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

    asked by toni
  48. English

    What will i study? Is this sentence right?I think that it is not correct,formal writing."What shall i study" is the correct question,but why say that "What will i study?".Is it right?

    asked by Bayarbold
  49. Emma Rae

    2Mg + O2--->2MgO If more oxygen is added, the amount of magnesium a.will increase. b.will decrease c.will not change. and why? Thanks for your help

    asked by Anonymous
  50. Physics

    A vertical spring with a force constant of 250 N/m is compressed 7.5 cm and a 0.30 kg ball placed on top. The spring is released and the ball flies vertically upward. How high does the ball go? (thanks for helping)

    asked by Luis
  51. math

    exactly how many cubic inches of ice cream can an ice cream cone hold (within the cone) if its height is 6 inches and the radius of its base is 2.5 inches? include correct units with the solution. use "pi" in place of the pi symbol.

    asked by jenna
  52. Grammar

    Question: When two words act as a single modifier, or adjective, for a noun, this is called a/an ________. a. compound modifier b. coordinating conjunction c. adverb modifier d. prepositional phrase ANSWER: a. compound modifier

    asked by Leslie-To:Writeacher
  53. algebra II

    What is the axis of symmetry of f(x)= -1/2^2-x+4?

    asked by Sean
  54. Algebra

    If you drive 253 miles on 11 1/2 gallons of gas, what is the simplified ratio of miles to gallons? ____ to 1?

    asked by Lamont
  55. Algebra

    4x +7 =18, then what is the value of 12x +21? I don't know the value of x.

    asked by lizzie
  56. Physics

    An aluminum cube that has an edge length of 7 cm. is placed in a beaker of water that is filled to the brim. As a result the water overflows. what volume of water overflows when the aluminum cube is submerged in the water?

    asked by Lori
  57. algebra

    5/2-3x=6/7-4x

    asked by Poochie
  58. statistics

    what is the name of an article that can show the chi-square assumption?

    asked by jonja
  59. algebra

    5. 16t2 gives the distance in feet a free-falling object falls in t seconds. 16t2 + 10t gives the distance an object falls in t seconds when it is thrown down with an initial velocity of 10 feet per second. Use this polynomials to: Find how far a quarter

    asked by leigh
  60. Chemistry

    2Mg + O2--->2MgO If more magnesium is added a.the reaction will shift to the right. b.the reaction will shift to the left. c.there will be no shift. and why im confused on why it would happen.

    asked by Anonymous
  61. Chemistry

    Select the most likely rate law for the following: (CH3)3C-Br + OH- > (CH3)3C-OH + Br- a. Rate=k[(CH3)3C-Br] b. Rate=k[(CH3)3C-Br][OH-] c. Rate=k[(CH3)3C-Br][OH-]2 d. Rate=k[(CH3)3C-Br]2[OH-]2 e. Rate=k[(CH3)3C-Br]2[OH-] The correct is answer is "a" but

    asked by Carole
  62. Chemistry

    If oxygen is removed, the amount of magnesium oxide a.will increase b.will decrease c.will not change. and why? Thanks for your help

    asked by Emma Rae
  63. Algebra 2

    f(x)= x+5, if x>0 3, if x

    asked by HELP
  64. Chem

    A certain shell is known to have a total of 16 orbitals, which shell is it?

    asked by Chris
  65. math

    how much money should you invest now to have 7000 in 11 years if you invest the money at a rate of 9.3%. compounded semiannually

    asked by AJAY
  66. math

    what is the amount of the investment 1300 at 4% compounded quarterly for 6 years

    asked by nichole
  67. math

    how much money should you invest now to have 5000 in 11 years if you invest the money at a rate of 9.4%. compounded semiannually

    asked by nichole
  68. math

    Find the area of a rectangle if its length measure 12 cm and its width measures 13 cm. Include correct units with the solution.

    asked by jenna
  69. physics

    A block of mass 35 kg moves on the horizontal surface. If initially at rest whwat is the speed of the block after moving a distance of 6m when G=32?

    asked by John
  70. math

    Each liter of air has a mass of 1.80 grams.How many liters of air are contained in 2.5 x10 to the third power kg of air?

    asked by Anonymous
  71. stats

    If other factors are held constant, how does increasing the sample variance affect the value of the independent-measures t statistic and the likelihood of rejecting the null hypothesis?

    asked by mike
  72. algebra II

    Solve: x^4 - 2x^2 = 35

    asked by Nicole
  73. Algebra 2

    The number of tickets sold each day for an upcoming performance of Handel's Messiah is given..........? by N(x)=-0.3x^2+8.4x+10, where x is the number of days since the concert was first announced. When will daily tickets sales peak and how many tickets

    asked by Shelly
  74. College Math

    An inlet pipe on a swimming pool can be used to fill the pool in 24 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is one-third filled and then the drain pipe is accidentally opened, how long will it take to fill the pool?

    asked by Lamont
  75. Algebra 2

    Simplify: 8rs^2/5s^4 times (2r^3)^-1

    asked by Sam
  76. algebra II

    Simplify: (3c^2)(-6cd)^-2

    asked by Erica
  77. algebra

    THE FUNCTION D(X) MODELS THE CUMULATIVE NUMBER OF DEATHS FROM A DISEASE X YEARS AFTER 1984. ESTIMATE THE YEAR WHEN THERE WERE 90,000 DEATHS D(x)=2010X^2+5400X+5774

    asked by joseph
  78. mathematics

    2a^2-3a-2/4a^2-1 (4a^2-1 = denominator) divided by a^2-4/2a^2-5a+2

    asked by Allen
  79. History

    Hello Any help would be greatful...TIA 1..What is the Agrarian Myth According from Hofstater? 2. When did the Myth 1st appear and whom was responsible for it? 3.Was there ever a time in America History when conditions corresponded to the myth? Thanks

    asked by Jessica
  80. mechanical

    n projectile motion if range is the maximum, then what will be the height?.

    asked by Avais
  81. math

    what isthe area of a 8 inch circle?? what are the calculations. ???

    asked by jay
  82. exp of math

    if john has a balance of 2195. after 3 years what will be the amount of the interest at 8%. compounded semiannually

    asked by nichole
  83. health/please check

    The first offense for federal trafficking penalties that is not less than 10 years and not more than life applies to wich drugs: a) cocaine b) Heroin c)Methamphetamine d)LSD e)none of the above My answer is E.

    asked by joy
  84. math

    Kahlil said that using the equation (a + b)2 = a2 + 2ab + b2, he can find a similar equation for (a - b)2. Examine his argument. (a - b)2 = [a + (-b)]2 = a2 + 2a(-b) + (-b)2 = a2 – 2ab + b2

    asked by jeana
  85. physics

    I have a question based off of the response to the question I posted below. Sorry, i wanted to make sure that i clearly understood,so My question about the third solution is: Is the horizontal force zero N? or is it 721.3N? A dragster and driver together

    asked by alexa
  86. alga br e

    How many ft of fencing is needed to enclose a square with 33ft sides

    asked by Megan
  87. math

    Each liter of air has a mass of 1.80 grams.How many liters of air are contained in 2.5 x10 to the third power kg of air?

    asked by Anonymous
  88. math

    Each liter of air has a mass of 1.80 grams.How many liters of air are contained in 2.5 x10 to the third power kg of air?

    asked by Anonymous
  89. algebra II

    The _______ of a quadratic equation can be used to find the number of solutions it has. ?? A. vertex B. Axis of Symmetry C. Discriminant D. Leading Coefficent

    asked by Nicole
  90. algebra II

    Solve using the quadratic formula: x^2 - 3x - 5 = 0

    asked by Thomas
  91. Algebra II

    Please help me! Find the exact solutions to the quadratic equation in the complex numbers. (x-13)²=-36

    asked by Reanna
  92. Math

    Solve 2x^2+7x> 15

    asked by Christal
  93. Pre calculus

    Please help me! Find the exact solutions to the quadratic equation in the complex numbers. (x-13)²=-36

    asked by HELP
  94. algebra II

    What is the vertex of y > x^2 - 2x - 3?

    asked by Sean
  95. finance

    Entrepreneur Edward is planning to open a business selling ice cream. He knows that the price of ice cream is determined by the forces of supply and demand, but he wants a report outlining five specific events that can be expected to cause the equilibrium

    asked by Elizabeth
  96. Algebra II

    Find the inverse of the function: f(x)=-x²+16, x≥0 f(x)=5/x-3

    asked by HELP
  97. Algebra

    use factoring to solve the equation 4x²-23x=6 I think the answer is x=-1/4,x=6 Just want to make sure that's right

    asked by HELP
  98. Algebra II

    f(x)=1/(x+2)

    asked by Kevin
  99. Math

    Hello, For math I have to make a graph of two linear relations. One has to be the operating costs of a zoo or amusement park and the other cost of admission for me and my family. Using both linear relations I then have to find another relation that would

    asked by Gianna
  100. algebra 2

    revenue from ticket sales: 4x(x+6) cost of band: 5x(x-4) profit: 160 (given in thousands, use 160) 1.the equation to determine profit id revenue-cost=profit. write the equation that explains the profit made last year. be certaiin to combine like terms. if

    asked by keyy
  101. Algebra

    The problem is 9x+4y=-12 x=26-5y Solve by substitution method

    asked by Vic
  102. chemistry

    What is [H+] concentration in a 4M aq solution of acetic acid (Ka= 1.8 E-5)? what formula do you use to get the answer?

    asked by Anonymous
  103. ARYA

    IF (TANA+TANB)=M AND (TANA-TANB)=N, THEN COT(A-B)=?

    asked by GOWRI
  104. social studies

    traits of dr. jose rizal

    asked by camille
  105. math

    if 2 cars one a high speed race car, one a mid size sedan, are on the same road, both going 60 miles per hour, would they arrive at a given point at the same time or does the engine make a difference?

    asked by Gwen
  106. computer science

    Step 3: Part C iLab Part C: Payroll Program Step 1: Create a New Project Create a new project and name it LAB1C. Make sure you close your previous program by clicking File >> Close Solution. This time, do not delete the code that gets automatically

    asked by jose coco
  107. math

    write as percent 5/3

    asked by Anonymous
  108. math

    what would be a due date of a loan june 17 for 150 days the year is a leap year. is it june 17 or 18?

    asked by nichole
  109. speech

    I am writing a commemortative speech. And I want to commemorate my two year old nephew. He has many great qualities i just don't know how to word the things he does into simple words. For example when I walk in the door he is so happy to see me or when I

    asked by rennee
  110. psychology

    Often called the "father of modern psychology," Wilhelm Wundt painstakingly examined the small pieces of behavior. He was not interested in personalilty mental disorders. He did study the cognitive elements of: a)thinking, perception, and consciousness

    asked by Deanie
  111. Sci

    A 5kg voulume of water falls from a shelf 2 meters above the floor, If all the energy is converted to heat, what is the change in temperature?

    asked by Trice
  112. Chemistry

    Choose the bond that is the weakest: A) Na-Cl B) I-I C) C=N D) Li-F E) C=O I don't understand the question... do they mean polarity wise, IMF wise or bond length wise. I know the answer is C but why C.

    asked by Tc
  113. math

    what is the exact circumference of a circle with a diameter of 13 inches?

    asked by jenna
  114. Physics

    If 60 Cal. are added to 6 g. of iron at 20 degrees Celsius what is the final temp.

    asked by Duane
  115. lottory maths

    winning no. marchine no. 85-42-43-36-50 5-74-35-24-23 83-58-43-21- 6 56-33-38-46-73 69-18-59-49-35 36- 9-47-71-78 14-40-88-76- 1 5-32-62-20-27 48-39-37-71-53 81-52-12- 6-14 29-63-80-57-37 19-65-42-44-21 69- 2-68-35-31 74-28-40- 1-83 47-74-20-42-11 49-22-

    asked by Gen
  116. math

    Each liter of air has a mass of 1.80 grams.How many liters of air are contained in 2.5 x10 to the third power kg of air?

    asked by Anonymous
  117. math

    Each liter of air has a mass of 1.80 grams.How many liters of air are contained in 2.5 x10 to the third power kg of air?

    asked by Anonymous
  118. algebra II

    The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?

    asked by Nicole
  119. Algebra II

    f(x)=1/x+2

    asked by Reanna
  120. Algebra 2

    write a quadratic equation in the variable x having the given numbers as solution. Type the equation in standard form, ax^2+bx+c=0 solution 4, only solution

    asked by Shelly
  121. algebra II

    Solve: (3x + 5)^2 = -6

    asked by Britney
  122. algebra II

    The side of a square is (x – 4). What is the area in terms of x?

    asked by Sam
  123. statistics

    give an example of an article that shows the chi-square assumption method of ststistics

    asked by jonja
  124. medical billing and coding

    what is the relationship between the claim form and reimbursement

    asked by stacy
  125. algebra II

    Simplify: a^4-b^4/a-b

    asked by Erica
  126. Math

    Simplify (x-2)^2/2x+4 times (x^2+4x+4)

    asked by Monica
  127. business

    Read “Hi-Ho Yo-Yo, Inc.” on pages 771-772 in your text. Explain your analysis in a 2-4 page APA style paper using the rule definitions on page 746.

    asked by Anonymous
  128. Writing

    Any suggestions for writing topics?

    asked by Sally
  129. grammar

    Is the following an interrogative of declaritive sentence Guess who we saw today

    asked by Tami
  130. physics

    what are the basic measurements?

    asked by Anonymous
  131. science

    why archaeologist and environmental scientists were worried about the effect of an oil refinery which was close to Taj Mahal at Agra?

    asked by lavu
  132. Math

    Simplify:Assume that no denominator is 0and that 0^0 is not considered. question: (a^3b)(ab)^4

    asked by Ms.Ellis
  133. Math

    Simplify:Remember to use absolute value notation when necessary. If a root cannot be simplified, state this. Ques: 5sq.rt-1/32

    asked by Ms.Ellis
  134. English

    I'm looking for a nice four-star hotel near or in Yellow Stone Park for a family consisting of four people, two adults and two chilren of eleven and thirteen years old respectively. I hope someone from jiskha can help me because I've never been there. Do

    asked by Henry2
  135. Math

    Simplify:Do not use use negative exponents in the answer. Ques: x-4*x-7

    asked by Ms.Ellis
  136. English

    Help them carry their walker up the steps onto the bus. (What is the part of speech of 'onto the bus'? Is it an adjective phrase or an adverbial phrase? Can we use 'on' instead of 'onto'? Thank you for your help.)

    asked by rfvv
  137. math

    what is the percent increase from 72 people to 92 people

    asked by nichole
  138. math

    Find the area of a square if 1 side measures 22 cm. Include correct units with solution.

    asked by jenna
  139. math

    how many cubic cm can a cigar box hold if its diameter is 4 cm by 10.5 cm by 7 cm?

    asked by jenna
  140. history

    The Cherokees were happy and prosperous under.... the government of the united states, and from the helping hand extended over them, they made rapid advances in civilization, morals and in the arts and sciences. Little did they anticipate, that when taught

    asked by Anonymous
  141. algebra II

    How many solutions does the equation x^2 - 2x - 2 = 0 have?

    asked by Lee
  142. human services

    where could i found information on the relationship between ethics, law, and professional practice?

    asked by patiance
  143. algebra II

    Solve by completing the square: a^2 - 4a = -8

    asked by Thomas
  144. Math

    Solve: x^2-x-12> 0

    asked by Christal
  145. algebra II

    Simplify (-3i)^2

    asked by Matt
  146. Math

    Simplify: (4 - 5i)(3 + 2i)

    asked by Matt
  147. algebra II

    The length of a rectangle is three more than twice its width. The area is 65 m^2. What is its width?

    asked by Sean
  148. math

    how many cubic cm can a cigar box hold if its dimensions are 4 cm. by 14 cm. by 12 cm? include correct units with solution.

    asked by jenna
  149. english

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