1. math

    Show that -1/2+ 1/2(i3 root) is a cube root of 1

    asked by Praphul on December 9, 2012
  2. maths

    prove that : 3^-3 * 6^2 * root 98 / 5^2 cube root 1/25 *(15)^-4/3 *3^1/3

    asked by tuhituhi on March 29, 2013
  3. Physics

    A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun.

    asked by Emily on April 12, 2016
  4. math

    You build an architectural model of a new office complex using a scale factor of 75. Suppose you wanted to fill both the scale model office complex and the actual office complex with marbles. How many times the number of marbles required for the model

    asked by yancy on March 26, 2015
  5. (1-11) Chemistry - Science (Dr. Bob222)

    Liquid chloroform (CHCl3) is placed in a closed container and allowed to equilibrate with chloroform vapor. With the temperature held constant, additional chloroform is introduced into the system, and the vapor-liquid equilibrium is reestablished.

    asked by Ana on May 10, 2014
  6. science

    Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other? (1 point) The faster object has the same kinetic energy as the slower object. The faster

    asked by Mel❤nie on December 18, 2018
  7. chemistry

    A 10.0 grams piece of gold 90.0 Celsius was stirred into 15.0ml of water at an initial temperature of 25.0 degrees Celsius. The final temperature of the water was 26.34 degrees celsius. Calculate the specific heat of gold. The specific heat of water is

    asked by casey on October 20, 2011
  8. chemistry

    A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine

    asked by jen on July 12, 2012
  9. chemistry-Dr BOB

    Hi Dr. Bob, I first want to tank you for all your help. Secondly, I don't understand why this was marked wrong. When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C.

    asked by patrick on October 18, 2015
  10. Physics

    Coefficient of volume expansion of some liquids(a/˚C) Alcohol=1.1x〖10〗^(-4) Glycerin=5.0x〖10〗^(-4) Water=3.7x〖10〗^(-4) Ether=1.63x〖10〗^(-4) Mercury= 1.1x〖10〗^(-4 What is the increase in volume of 0.3m cube of ethyl alcohol when heated

    asked by Angela on December 8, 2013
  11. Math 117

    The formular r= 2 cube root5L can beusedto approximate the speed r,in mile per hour,of a car that has skid marks of lenght L,in feet. How far will a car skid at 60 mph.

    asked by Joseph on February 12, 2012
  12. physics

    a cubical block of side 2cm is lying on a table. if the density of the material of the cube is 10000kg/m^3. find the pressure exerted by the block on the table. (g=10m/s^2).

    asked by prudhvi on January 6, 2013
  13. Math

    If each unit cube has edges 3/4 foot long, what is the volume of the blue outlined prism? (I can't post links on here, so, if you know this question, please answer it!) A) 5 ft3 B) 8.4 ft3 C) 10 ft3 D) 15 ft3

    asked by ღCrxmbZღ on March 28, 2019
  14. Math

    A sphere has a volume of 200m3 . What is the volume of the smallest cube that this sphere would fit inside of? (Hint: try drawing a diagram of a side or top view of this situation)

    asked by Bob on October 14, 2014
  15. Chemistry

    Mass of metal=45.00 grams Initial temp= 20.0 degrees Celcius Final temp= 87.0 degrees Celcius 4.184 J/g-specific heat of H2O The metal was heated up from initial temp to final temp. What would be the metal's highest temperature? The specific heat of the

    asked by Paige on June 7, 2018
  16. physics

    How many times as large a centripetal acceleration is required of a car rounding a curve at 45.1 MPH as for one rounding the same curve at 10.8 MPH? That is, what is the ratio of the centripetal acceleration required for the faster car to the same for the

    asked by honeybell on September 13, 2012
  17. y no one anwering my ques

    How does active transport differ from passive transport? 1. Molecules move down a concentration gradient in active transport. 2. Carrier proteins are used only in active transport. 3. Energy is required only in active transport. 4. Energy is required only

    asked by anmol on February 19, 2012
  18. Science-English

    What would happen if the temperature of the Tundra increased? The permafrost will melt and since the tundra is flat land bogs and shallow lakes will appear and won't drain. Rainfall will change, although I'm not sure if it will increase or decrease. Plants

    asked by Sam on April 6, 2009
  19. English - Shakespeare

    I was wondering if you could help me find literary devices in this passage in "Much Ado about Nothing" by Shakespeare: BENEDICK That I neither feel how she should be loved nor know how she should be worthy, is the opinion that fire cannot melt out of me: I

    asked by Aaron on December 16, 2009
  20. Chemistry help plzzzzz!!!!!

    I've tried solving this problem 100x and i keep getting it wrong. I don't know where i am going wrong. Wouldnt it be: (100ml * 4.180 * 6.49) + (6.50*6.49) 2713+42.2=2755.2= 2755.2/0.05=55104 Then convert to kj so 55104/1000=55.104 which would be 55.1 for

    asked by Ashley on April 10, 2014
  21. Math

    An electrician was hired to run the wires for a surround-sound stereo speaker system. She purchased 2 rolls of 14-gauge speaker wire. Each roll contains 4 m of wire. For each of 2 speakers, 2 ft. of wire are required. For each of the other 2 speakers, 11

    asked by Whitney on October 1, 2014
  22. thermochemistry

    . Mountain climbers often brew tea by melting snow, which they heats over a stove. Our stove burns butane (C4H10), which has a heat of combustion of -2878 kJ/mol. The temperature of the snow is initially at -20 °C, and we need 80 °C water to brew tea. a.

    asked by David on April 9, 2017
  23. Science

    A 10 lb. frozen boneless roast needs to be thawed and baked to a temperature of 200 degrees F. The storage freezer maintains a temperature of -10 degrees F. Pork changes from solid to a thawed state at 30 degrees F and has the following properties: Heat

    asked by Sejul on September 2, 2012
  24. Physics

    PLEASE HELP! I'm doing a physics demonstration, and in part of it I'm trying to explain why steel wool burns and normal steel doesn't. I know it's something to do with the smaller surface area and/or mass but I don't know WHY it burns because of this. Can

    asked by Jo on September 5, 2006
  25. Chemistry

    Back again with another problem :) How do you calculate the enthalpy change, in kJ/mol for the reaction of copper(II) sulfate? 0.0210 mol of copper sulfate was added to 25 cm3 of water. The temperature increased by 14°C. The specific heat capacity of

    asked by Autumn on October 24, 2017
  26. Creative Writing

    i'm so stuck on this assignment. i don't get it at all. : 1. Using the categories you created earlier for ice cream and toppings, write an informal classification/division essay or poem. don't forget to include a theme and maintain a consistent tone for

    asked by y912f on October 27, 2009
  27. Chemistry

    What is the final temperature after a 21.8 g piece of ice is placed into a styrofoam cup containing 114 g of hot water at 68.2 degrees C. Please explain because I don't even understand how to start.

    asked by JJ on October 5, 2011
  28. Science // Help

    How did planetsmals form planets? They broke apart into smaller chunks. They collided and stuck together They cooled and pulled ice together They began to rotate If anyone took the assessment please help x

    asked by unknown on November 9, 2017
  29. science

    which of the following features is associated with the inner planets? rings made of ice and dust lots of moons large amounts of iron and silicon thick atmospheres

    asked by hope on December 3, 2014
  30. physics 1

    A 8.00-kg block of ice, released from rest at the top of a 1.44-m-long frictionless ramp, slides downhill, reaching a speed of 2.54m/s at the bottom.

    asked by Anas on November 9, 2014
  31. physics

    What are the different physics application in the following sports: 1.baseball: 2.basketball: 3.bowling: 4.cycling: 5.golf: 6.gymnastics: 7.ice hockey 8.swimming Please help me , i really don't have any idea about this. Thank you !! :)

    asked by genny on January 5, 2015
  32. Science

    All of the following require breaking and forming chemical bonds except: freezing ice ** a plant decaying a piece of silver tarnishing roasting a marshmallow

    asked by T on March 16, 2018
  33. science

    which of the following features is most associated with the inner planets? A. rings made of ice and dust B lots of moons C large amounts of iron and silicon D thick atmospheres is it c or d?

    asked by hope on December 3, 2014
  34. college physics

    two people- one twice as heavy as the other one, play tug-of-war with a 12m ideal rope while standing on a frctionless ice surface.Would any of them move and if he does, how far?explain why.

    asked by Anonymous on May 6, 2010
  35. Physics for Life science

    1. Two people-one twice as heavy as the other one, play tug-of-war with a 12m ideal rope while standing on a frictionless ice surface. Would any of them move and if he does, how far? Explain why?

    asked by Simeon on May 3, 2010
  36. College Chemistry

    1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas

    asked by Arian on January 22, 2011
  37. College Chemistry

    1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas

    asked by Arian on January 23, 2011
  38. College Chemistry

    1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas

    asked by Arian on January 22, 2011
  39. physics

    A snow maker at a resort pumps 260 kg of lake water per minute and sprays it into the air above a ski run. The water droplets freeze in the air and fall to the ground, forming a layer of snow. If all of the water pumped into the air turns to snow, and the

    asked by Anonymous on November 25, 2013
  40. Science

    Which of these energy changes takes place in a solar cell? A.Heat energy to light energy B.Light energy to electrical energy C.Electrical energy to heat energy D.Thermal energy to electrical energy C?

    asked by Rezu on April 2, 2012
  41. Geometry

    32. What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18cm? 5,832 cm3 2,916 cm3 1,944 cm3 972 cm3

    asked by Becky on May 13, 2016
  42. Calculus - Optimization

    The cost of fuel for a boat is one half the cube of the speed on knots plus 216/hour. Find the most economical speed for the boat if it goes on a 500 nautical mile trip.

    asked by Sam on March 20, 2013
  43. Maths

    A Glass Cylinder With A Radius Of 7cm Has Water Up To A Heiht Of 9cm.A metal Cube Of 5.5 Cm Edge Is Immersed In It Completly.Calculate The Height By Which The Water Rises In The Cylinder.

    asked by Shewit on April 23, 2019
  44. Math

    Hello! I am here because I have a question. In math we are starting a new unit: Probability. One of the questions on my homework are "A number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a complement of 4." I have no idea

    asked by Curious on March 11, 2013
  45. math

    A hollow cylindrical iron pipe is of length 35 cm . It's outer and inner diameters are 10cm and 8cm respectively . Find the weight of the pipe if 1 cube centimeter of iron weights 7 gram

    asked by anu on January 7, 2016
  46. Chemistry

    The density of aluminum is 2.70 g/ml. What is the mass of a cube of Al that measures 2.20 cm on each side?(remember significant figures and to include the units of g in your answer, remember that 1 ml=1 cm3) Need help can someone go step by step so I can

    asked by Anonymous on May 19, 2017
  47. MATH

    a vase in the shape of a cube has a side measuring of 7 inches which of the numbers below is the best estimate of how much water it will hold? a 125 in3 b 200 in3 c 300 in3 d 350 in3

    asked by marquis on February 28, 2008
  48. physics

    an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity

    asked by prerana on September 29, 2013
  49. uncertainty principle

    an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity .

    asked by ...... on September 29, 2013
  50. Math

    The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT

    asked by Anonymous on July 10, 2011
  51. MATH- please help!

    The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT

    asked by kIM on July 11, 2011
  52. MATH-PLEASE HELPPP!!!!

    The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT

    asked by kIM on July 11, 2011
  53. math

    The table below shows the number of hours required in each of two departments to make one unit of various products A, B and C. For example, product B requires 1 hour of time in department I and 3 hours in department II. HOURS REQUIRED PER UNIT OF PRODUCT

    asked by kim on July 11, 2011
  54. charle drew high

    a number cube is rolled twice. what is the probability of rolling an odd number on the first roll and a multiple of three on the second roll?

    asked by ameyo on February 8, 2012
  55. math

    lisa rolls a number cube two times. the first time she gets a 3. list all the possible outcomes of lisa's two rolls.

    asked by jerry on May 16, 2012
  56. math

    What wouldnthenequation benif thenproblem was "The cube of positive number divided by the square of the same positive number." ?

    asked by Samantha on January 13, 2014
  57. math

    If a cube is sliced into equal sized smaller cubes, which quantity of smaller cubes could be attained? a)4 b)16 c)1/4 d)-1/5 e)1

    asked by john on September 3, 2012
  58. math

    a cube made up of some blocks and there are 12 cubes ,block a and b are removed from each other.how many blocks will remain in the 12 cubes altogether

    asked by don on August 18, 2012
  59. Precalculus

    2=-4+4 square root x^3 I added the four to both sides divided four squared then divided that my cube root my answer:1.31

    asked by denise R. on August 22, 2011
  60. math

    below are the results of tossing a number cube 8 times find the experimental probability of tossing an even number. 3,4,1,2,5,1,6,5 1. 1/4 2. 3/8 3. 1/2 4. 5/8

    asked by jessica on June 5, 2014
  61. Geometry

    What measurements (if any) are associated with each of the following ideas? a point; a line; a union of a square and its interior;and a union of a cube and its interior?

    asked by Melissa on February 3, 2017
  62. sri krishna

    If the surface area of a cube is 18sq.cm what is the surface area of a cuboid formed by joining 3 of these cubes

    asked by sanjana on October 19, 2015
  63. Math7 Am I right?

    Below are the results of tossing a number cube 8 times. Find the experimental probability of tossing an even number. 3,4,1,2,5,1,6,5 3/8 right?

    asked by moby on May 10, 2014
  64. math

    find the ratio of the volume of a sphere with a radius of 10 meters to the volume of a cube with a side of 10 meters

    asked by araceli on September 9, 2011
  65. pre cal

    Determine algebraically whether the function is even, odd, or neither even nor odd. f as a function of x is equal to 14 times the cube root of x

    asked by Jorgeeee on June 23, 2014
  66. pre algebra

    I have a cube of 3 by 3 by 3 centimeters , I paint all the surfaces white. After that I'd take my saw, and saw it into cubes of 1 by 1 by 1. I will have 27 cubes after. How many will have no white color on any surface?

    asked by shannon on May 20, 2013
  67. maths

    What is the maximum number of cubes with a side of length 1/3 that can fit inside a cube with a side of length 1 ? 1.3 2.9 3.18 4.27

    asked by peter on August 11, 2014
  68. math

    A fair number cube is rolled twice. W aht is the probbability that the first roll will be even and the second roll will be odd number?

    asked by zina on June 10, 2011
  69. math

    SHAPE : CUBE IF U PICK A FACE, HOW MANY FACES ARE PERPENDICULAR TO IT? IF U PICK AN EDGE, HOW MANY EDGES ARE PERPENDICULAR TO IT?

    asked by Celest on June 6, 2012
  70. physics

    a cube of gold 30mm long on each edge is worth $10,000.how much is a gram of gold worth?

    asked by nanag on October 26, 2011
  71. algebra

    a number cube is rolled 2 times in a row. what is the probability of rolling a number greater than 2 both times?

    asked by anon on May 7, 2013
  72. Maths

    The measure of an edge of a cube is 6.5cm. Find its surface area and lateral surface area?

    asked by Tarunikka on October 13, 2016
  73. math

    if angie rolls a fair number cube 66 times about how many times will she roll a number that is odd and less than 5

    asked by aiden on May 9, 2019
  74. Math

    1. What is the probability of rolling a number less than or equal to 6 when rolling a six-sided number cube? a. 0.17 b. 5% c. 5/6

    asked by Amber on February 4, 2016
  75. chemistry

    The letters CHEMISTRY were spray painted in blue paint on the snow. After a while the sun comes out and the snow under the blue paint melts while the snow around the letters do not. Why did the snow under (rather than around) the blue paint melt?

    asked by Heather on November 19, 2013
  76. Science

    You have been commissioned to design a stand]alone solar PV system (solar panels + battery array) for a 1000ft2 occupied between May through October, off]line cottage located near Corpus Cristi, Texas. The PV array should supply the daily average

    asked by Sarah on April 15, 2009
  77. Math

    Can someone help me reword these two things? I don't like how I did them but I can't think of anything else. Thanks!! 1. PROMPT: What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a

    asked by cAt.ExE HaS sTopPeD wORkInG on September 25, 2018
  78. a. chem

    A 50.0 mL sample containing Cd2 and Mn2 was treated with 58.7 mL of 0.0500 M EDTA. Titration of the excess unreacted EDTA required 17.7 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed

    asked by Lana on April 4, 2013
  79. Statistics

    A pharmaceutical company claims its new medication relieves painful symptoms caused by tension headaches within 15 minutes. To investigate this claim, a local health clinic conducts a study of 45 patients who suffer from chronic tension headaches. Each

    asked by Bill on March 26, 2013
  80. History

    What economic reasons contributed to the beginning of the French Revolution? (Select all that apply.) king Louis xvi required Protestants to pay higher taxes king Louis xvi required Catholics to pay higher taxes france was in debt due to overspending on

    asked by malia on October 31, 2017
  81. college statistics

    the average length of time required for students to complete a test in a an introductory statistics course is found to be 50 minutes with a standard deviation of 12 minutes. if students are allowed 80 minutes to complete the test , approximately what

    asked by Chelsea on November 6, 2014
  82. heat of vapor pressure

    When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -9500 K. According to the Clausius Clapeyron equation, Hvap is ? kJ/mol. The vapor pressure is proportional to exp

    asked by yayhawknelson on January 18, 2007
  83. Math (Calculus) (Work)

    Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.) This is what I did so far: 4 in =

    asked by Ray on May 2, 2017
  84. Finance

    Cochrane, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $1,860,000. The fixed asset will be depreciated straight-line to zero over its three-year tax life, after which time it will be worthless.

    asked by Alec on March 24, 2014
  85. sarah

    In an experiment to determine the rate at which heat is extracted from a hot material, 305 g of the material at 90 °C is put into a 50 mm diameter copper vessel to a depth of 90 mm as shown below. The hot material and calorimeter are placed in a container

    asked by john on April 12, 2011
  86. Chemistry

    Identify the following chemical equations by type. 1. If an electric discharge produces 500 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) ---> 2O3(g) 2. When 2.75 dm3 of O2 react with an excess of glucose (C6H12O2), according to the

    asked by UnName on October 24, 2013
  87. Chemistry

    1. Consider a 1.00g unknown sample that contains 62.0% sodium carbonate and 38.0% sodium bicarbonate, NaHCO3, by mass. When this sample is dissolved in water, how many mL of 0.200M HCl will be required to convert all of the carbonate to bicarbonate? How

    asked by Mia on February 26, 2014
  88. Chem please help

    Which of the following correctly describes the net energy change during a reaction? A. The net change in energy is negative for endothermic reactions where energy is required. B. The net change in energy is positive for endothermic reactions where energy

    asked by Morgan on November 25, 2014
  89. college chemistry

    Suppose you have a 0.200 M solution of the nitrogen-containing weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x10-5, complete each of the

    asked by Aubree on April 21, 2010
  90. Chemistry

    Would a substance that does not form hydrogen bonds have a high or low surface tension? What about vapor pressure, specific heat,heat of vaporization or boiling point? It requires extra energy to break hydrogen bonds so a substance that does not form H

    asked by Dave on March 6, 2007
  91. Math

    Please help me with this ASAP! I need help with this just checking my answers thanks 1. There are 14 blue marbles, 8red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? A. 24:8 B. 34:8

    asked by Katie on May 26, 2016
  92. math

    Aglass cylinder with aradius of 7cm has water up to aheight of 9cm. Ametal cube of 5.5cm edge is immersed in it completely. Calculate the height by which the water rises in the cylinder.

    asked by tarekegn on May 17, 2015
  93. Math

    Sam rolls a strike in 6 of the 10 frames of bowling What is the experimental probability that Sam will roll a strike in the first frame of the next game ? Explain why a number cube would not be a good way to simulate this situation Please help !!!!😖

    asked by Kim on March 2, 2015
  94. College math

    I really need to know the answer to this extra credit problem. Please help! A quantity, W, is directly proportional to X and the square of Y and inversely proportional to the cube of Z. W=3 when X=4, Y=2 and Z=4. What is the value of W when X=8, Y=9 and

    asked by Lorie on April 6, 2013
  95. Math urgent help please!!

    You have 500 cm² of material available to cover different shapes. what is the maximum volume of each object that you could make with this amount of material? A.) a cube B.) a sphere I've been stuck on this for so long, please show me how to do this step

    asked by Miley on January 7, 2014
  96. maths

    A glass cylinder with aradius of 7cm has water up to aheight of gcm. A metal cube of 5.5cm edge is immersed in it completely. Calculate the height by which the water rises in the cylinder.

    asked by tarekegn on May 13, 2015
  97. physic

    Hi! Help me please, thank you so much. What mass of water at 28.0 °C must be allowed to come to thermal equilibrium with a 2.05-kg cube of aluminum initially at 1.50 102 °C to lower the temperature of the aluminum to 54.8 °C? Assume any water turned to

    asked by Chan on December 3, 2009
  98. Math

    Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation.

    asked by Anonymous on March 1, 2016
  99. math

    Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation. THANKS!!

    asked by kimie on February 3, 2016
  100. Math quick question

    You have 500 cm² of material available to cover different shapes. what is the maximum volume of each object that you could make with this amount of material? A.) a cube B.) a sphere I've been stuck on this for so long, please show me how to do this step

    asked by Miley on January 7, 2014