Questions Asked on
August 25, 2015

  1. Science study skills

    What is the most effective way to begin studying a lesson? 1.) Make up questions about the lesson. 2.) Look at the headings and subheadings of the lesson to get an idea of what the lesson is about. 3.) Review the lesson that comes after it.] 4.) Look ahead

    asked by Snoopy
  2. Language Arts

    Which of these is an example of a metaphor in My Forbidden Face? A. Latifa releases the canary from the cage. B. Latifa compares the Taliban's oppression to a slow death. C. Latifa quotes specific laws that the Taliban put in place. The word lucid means

    asked by Mal
  3. Biology -- metric

    Which statement best describes the significance of the number 10 in the metric system? The system is used by 10 countries There are 10 metric prefixes There are 10 base units The system is based on multiples of 10. * my answer How many places would the

    asked by Anonymous
  4. oblique triangle trigonometry

    The leaning Tower of Pisa in Italy leans because it was built on unstable soil – a mixture of clay, sand, and water. The tower is approximately 58.36 meters tall from its foundation. The top of the tower leans about 5.45 meters off center. Find the angle

    asked by James Arceno
  5. Algebra

    Alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression represents the total amount of change she should receive. Whats the answer?

    asked by Taylor
  6. Math

    If m and n are integers, which of the following must be an even integer? A. 2mn B. mn C. mn+2 d. mn-2 e. 3mn

    asked by Jessica
  7. Life orientation

    Critically discuss six ways in which the human rights violation impacts on individuals and groups and the consequences that the human rights violation have on the individuala swell as on yor community or any other community or within south africa

    asked by Bongolethu
  8. BUSINESS CONSULTING

    C10; Introduction to Computers Assignment 8; Business Consulting Remember Bill? He was the gentleman that you helped to start up his business in week 4. Well his business is doing well, but he has come to you with some questions and concerns. You discuss

    asked by VI GIRL
  9. Tech

    What types of issues can you likely resolve by knowing how to access and use the control panel. Choose all that apply. Network Issues*** Screen resolution and volume issues frozen application issues virus issues***

    asked by Anonymous
  10. Physics

    The makers of a certain automobile advertise that it will accelerate from 15 to 50 mi/hr in high in 13 sec. Compute (a) the acceleration in ft/ sec2, and (b) the distance the car travels in this time, assuming the acceleration to be constant.

    asked by Justine
  11. pe 8

    1. Which side of the health triangle corresponds to getting enough rest? a) physical health b) social health c) mental and emotional health*** d) none of the above Am I right?

    asked by lauren
  12. english

    1)which of the following sentences is punctuated correctly. a) a carpenter must use certain tools, hammers, saws, chisels, to finish a job. b)a carpenter must use certain tools hammers,saws, chisels-to finish a job. c)a carpenter must use certain tools-

    asked by Brenda
  13. Language Arts

    Which Statement about adverbs is true? A. Adverbs modify nouns and verbs B. Adverbs modify adjectives and verbs C. Adverbs always answer the question why D. Adverbs always end in -ly Please help ASAP! Its either between A and B.

    asked by MusicLover14
  14. finite

    the probability that a randomly selected 4 year old male feral cat will live to be 5 years old is 0.87886. (a)what is the probability that two randomly selected male 4 yr old cats will live to be 5.(b) what is the probability that six randomly selected

    asked by john
  15. English

    Pasive voice of 'get out' will be? please just help me

    asked by Pradeep
  16. math

    Write a real world description to fit the expression negative 50 divided by 5

    asked by suzanne
  17. chemistry

    Will you please help me write this equation in net ionic form. I2(s)+Na2S2O3(aq)-->Na2S2O4(aq) +NaI(aq)

    asked by sydney
  18. math please help 9th grade

    Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1

    asked by XenaGonzalez
  19. Science

    A scientist is testing the effects of fertilizer on peanut production. He plants 4 peanut plants and applies a different amount of fertilizer to each plant. Two of the plants die. Can he conclude that the amounts of fertilizer used on those plants were

    asked by Anonymous
  20. Language Arts 8 A

    Which statement best expresses a central theme of "The StoryTeller"? I can not figure out

    asked by Gavin Lewis
  21. oblique triangle trigonometry

    A parking lot has the shape of a parallelogram. The lengths of two adjacent sides are 70meters and 100meters. The angle between the two sides is 70o. What is the area of the parking lot?

    asked by James Arceno
  22. Maths

    a man accepts a position with an initial salary of money $1800 per year if his salary increases at the end of every year by $1500 what would be his annual salary at Te begging of the 11th year

    asked by Luna
  23. Calculus

    Derivatives - chain rule An airplane, flying horizontally at an altitude of 1 mile, passes directly over an observer. If the constant speed of the airplane is 400 miles per hour, how fast is its distance from the observer increasing 45 seconds later? Hint:

    asked by Ribie
  24. math

    an airplane leaves an airport and travels 100 miles in a direction of 300 degrees. How far North of the airport is the plane then?

    asked by queenie
  25. Calculus

    Derivatives - chain rule An airplane, flying horizontally at an altitude of 1 mile, passes directly over an observer. If the constant speed of the airplane is 400 miles per hour, how fast is its distance from the observer increasing 45 seconds later? Hint:

    asked by Ribie
  26. Physics

    A car starts from rest and travels for 5.0 s with a steady acceleration of magnitude 1.5 m/s2. the driver then applies the brakes for 3.0 seconds causing a steady deceleration of magnitude 2.0 m/s2. How fast is the car going at the end of the breaking

    asked by Heather
  27. math

    In January 2009, the state of Nevada was facing a budget deficit of $1.5 billion. The population of the state was approximately 2 million. How much would each person in the state have to contribute to pay this deficit? please send me the answer to

    asked by billy savary
  28. Social studies

    Mayan priests interest in astronomy led to the creation of ____. A. a 365-day calendar B. A book of rules C. Human sacrifices D. Cave paintings Which one is correct ? Please help

    asked by Alex
  29. geometry

    If the length of the abdomen is 2.25 inches. The length of the thorax is 1.75 inches. The walking stick's abdomen is .5 inches longer than the thorax. It's abdomen is _____ time longer than its thorax.

    asked by sam
  30. math

    To what number does 153 rounded to the nearest hundred? Use the number line to explain why.

    asked by nilar
  31. physics

    a bullet of mass 0.1kg moving with velocity 500 m/s strikes with a block of mass 2kg suspended with a string.after collision block is raised by 0.1m. what will be the velocity of bullet after the collision. bullet is not embeded in the block.

    asked by dharmender duddi
  32. Science study skills

    What is the importance of questioning in the SQ3R system? 1.) Questioning helps you read the material quickly. 2.) Questioning keeps your brian actively trying to find answers while you are reading. 3.) Questioning helps you identify questions that will be

    asked by Snoopy
  33. statistics

    a golf ball is selected at random from a golf bag. If the golf bag contains 4 brown balls, 9 yellow balls, and 12 orange balls, find the probability of the following event. probability the ball is brown or yellow?

    asked by david
  34. geography

    Which of the following countries has the highest number of Fortune 100 companies? A. United States B. Germany C. Japan D. France im leaning more on a

    asked by Anonymous
  35. science

    solution A was prepared by dissolving 0.63g of HNO3 in 100cm3 solution. Solution B is a sodium calcium hydroxide solution of unknown concentration. state a balanced chemical equation for the reaction

    asked by Zoe
  36. maths

    a bag contains 10 marbles of which 2 are red and 8 are black.Bag B contains 12 marbles of which 4 are ed and 8 are black.A ball is drawn at random from each bag. 5.1 draw a probability tree diagram to show possible outcome

    asked by dimpho
  37. child development

    Mr. White hears Brian loudly yelling across the room for his friend James. Mr. White quietly walks over to Brian and whispers to him the rule about quiet voices inside. Mr. White knows that the noise level in the classroom has been elevated lately, mainly

    asked by bev
  38. english

    The team ..... is wearing the red jerseys the one I came to see. which of the following .pronouns correctly completes the sentences a)who b)whom c)that d)which

    asked by Brenda
  39. Science

    A chemist notes that a solution turns blue when a chemical reaction takes place. Which of the following correctly describes the chemist's data? A.The data is a qualitative observation*** B.The data is a quantitative observation C.The data is a prediction

    asked by Anonymous
  40. Precalculus

    you are sitting on a ferris wheel car. The wheel has a radius of 50 feet and makes 3 revolutions per minute. What is your linear speed in feet per minute?

    asked by Jenna Thompson
  41. High school

    A 15.00ml of NaoH was titrated to the stoichiometric end point with 17.40ml of 0.23M HCL. What is the molarity of NaoH in the solution?. Calculate the mass of NaoH in 15.00ml solution.[H=1, Cl=35.5, Na=23,O=16].

    asked by Favour
  42. Math

    Use the commutative and distributive properties of multiplication to write an equivalent expression to 2(x−3).

    asked by Anonymous
  43. Math

    The completion times for three runners in a 100-yard dash are 9.75 seconds, 9.7 seconds, and 9.675 seconds. Which is the least time?

    asked by Yarielys
  44. TC

    There are n arithmetic means between 1 and 31 such that seventh mean:(n-1)th mean =5:9. Find n.

    asked by Rabinprakash Dahal
  45. Math

    I am converting 0.57 to a fraction. My answer is 57/99. Am I correct.

    asked by Tamara
  46. Science

    You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? a) The egg rolled off the kitchen counter*** b) the dog will eat the egg off the floor c) there are pieces of broken

    asked by Anonymous
  47. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? A. Turning on the switch is a process. B.

    asked by Amber
  48. Physics

    When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.6 m/s^2 as it slows from 8.5 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.

    asked by Anonymous
  49. physics

    Is initial velocity can be negative? in this case, A stone is dropped from a ballon while ascending at the rate of 8mps. The stone reaches the ground in 6 sec. What is the height of the balloon when the stone was dropped? What is the sign for the initial

    asked by karylle
  50. Science

    A biologist determines that a lizard's body temperature is 29 degrees C. Which of the following correctly describes the biologist's data? a) it is a qualitative observation b) it is a quantitative observation*** c) it is a prediction d) it is a

    asked by Anonymous
  51. Red House Primary School

    Sally is thinking of a ratio.the simplest form of the ratio is 2:3.if she subtracts 1 from the first number in her ratio and adds 2 to the second number of her ratio,the simples form of new ratio is 1:2.Find the ratio that Sally is thinking of

    asked by Khanya
  52. college math

    1. If a person jogs at a rate of mi/hr for hr in a week, how many calories will the person burn?

    asked by sara
  53. Algebra

    Multiply and simplify. Assume any factors you cancel are not zero. 8/(15x+24y) times (5x+8y)/10 = ?? I multiplied straight across and got (45x+64y)/(150x+240y) but then I wasn't sure where to go from there.

    asked by Lillian
  54. COMPUTER

    What formula or function does he put in columns B through F in Row 13 that will give him the total expenses for the week in each category?

    asked by VI GIRL
  55. Art

    Creating artwork that showed scenes of everyday life was very different from what was normally painted in the late 1800s This change in style allowed the artist to be more A. Common B. Traditional** C. Creative D. Boring. Not sure is that correct?

    asked by Amber
  56. English

    1. We can sing and dance for the elderly people in nursing homes. 2. We can sing and dance for the elderly people at nursing homes. ============== Do we have to use 'in' or 'at'? Are both OK?

    asked by rfvv
  57. Math

    The sum of the length, width, and height of a box is 80 cm. The length is 10 cm less than twice the sum of the width and the height, and twice the width exceeds the height by 6 cm. Find the height of the box.

    asked by Anonymous
  58. English (3rd grade)

    Where can I read Berries, Berries, Berries ? Wasn't given the author from 3rd grader and her school is August Ahrens Elementary School. The book has a bear on the front cover and the bear is looking for berries for Spring. I have already searched the book

    asked by anon
  59. Algebra 1

    the lateral ara of a right cylinder can found can be found by multiplying twice the number pie by the radius the height. If a right cylinder has radius r and height h, write an expression that represents the lateral area.

    asked by Miracle Harris
  60. Ms. Sue please

    Please don't get mad, but I have no where else to turn to. This doesn't deal with school at all.. My eyes have gotten worse. I have to wait for my new glasses with a new prescription lens. What's your opinion? Do you think it Will help at all wearing my

    asked by Anon
  61. Science

    a wire of length 4m and radius 1 mm has a resistance of 1 ohm.what length of the wire of the same material at the same temperature and of radius 2 mm will also have a resistance of 1 ohm

    asked by Idrees
  62. English

    ARRANGE IT IN LOGICAL PARAGRAPH. 1. Planning for a test involves determining the time needed for studying, reviewing notes and previous assignments, and prioritizing the content matter to be studied. 2. Students should determine the format of questions on

    asked by Brenda
  63. maths

    A motorist travels a certain distance x in five hours at an average speed of 90km/h.what average speed must she maintain to cover the distance in 4 hours?

    asked by dimpho
  64. Calc

    Describe the given set with a single equation or with a pair of equations. The set of points in space that lie 2 units from the point (0,0,1) and, at the same time, 2 units from the point (0,0,-1). I wrote distance equations for both set them equal to each

    asked by Anon
  65. Manometer

    A manometer is used to measure the pressure of a gas in a container one side is connected to the container the other side is open to the atmosphere. A manometer contains water of density 1000kg/m^3 and the head is 250mm. Calculate the gauge pressure of the

    asked by Anonymous
  66. MATH

    HENRY, ANDY AND JOE SHARED SOME SWEETS IN THE RATIO 15:12:9 RESPECTIVELY. HENRY HAD 6 MORE SWEETS THAN ANDY. IF ANDY GAVE 9 SWEETS TO JOE, HOW MANY SWEETS WOULD JOE HAVE?

    asked by FLOR
  67. Math and Science

    Integration of curriculum areas can be pictured in a weblike structure in which mathematics is always at the center and science and other subjects are attached by radials true or false

    asked by Neat
  68. Art

    When an idea presented in a way that is original, it is considered to be A. impressive B. aesthetically pleasing** C. expressive D. Creative Not sure but I think B?

    asked by Amber
  69. math

    Two dice are rolled. Find the probability that the score on the dice is 5.

    asked by jacqueline
  70. Maths

    The sum of the 8 terms of a GP is 5 times the sum of first 4 terms. Find the common ratio.

    asked by Anonymous
  71. Physics

    A falling body has an initial velocity of 200 cm/sec. How far will it drop before it's velocity becomes 10,000 cm/sec.

    asked by Justine
  72. math

    what are the three smallest 7 digit whole numbers that can be made using only the digits 4,3,0,9,2,8,and 5? Each digit must be used exactly one time in each number.

    asked by Felix
  73. math

    simplify: 5-(-3)^2 -6

    asked by Brian
  74. Math

    The greatest place value is hundred thousand. The digit in the tens place is 5.the remaining digit ate 2, 3, 8 and 7. One of the digit has a value of 30,000. One of the digit had a value of 800. The value of the digit in the thousands place is 10 times

    asked by mary
  75. Math

    Write the expression as a single fraction and simplify. 3/a + 3/b Is this when you cross multiply and get 3a + 3b? Except the answer has to be a fraction so I am not sure.

    asked by Selena
  76. Math

    simplify the expression (the 7th root of 11x/y^6)(the 7th root of y^6/11x^8) the root is over the whole fraction in both cases. I've already done the problem once and got x(the 7th root of 1/x). which apparently this is wrong.

    asked by Lisa
  77. Math

    simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is

    asked by David
  78. maths

    the cost to travel in a local minibus is R2.50 for each trip and 50cent for each completed kilometre:what would a ticket cost for a journey of 24 kilometre (2):if nomthi paid R6.50 for her ticket how far did she travel

    asked by dimpho
  79. unit rate

    175 in 12

    asked by Rilee
  80. Algebra

    Why can a subtraction problem be rewritten as an additional problem without changing the outcome? Give a real-world scenario where this might be modeled.

    asked by Rima
  81. inorganic

    large number of hydrogen atoms excited to the n_h4,how many spectral lines can appear in the emission spectrum as a result of electron reaching the ground state n_1=1

    asked by mokalapa
  82. smiley

    What number can you subtract from 3,200 so that their differences is a 4 digit number with the digits in the thousands place, The digits in the hundreds place and zero in the tens and ones place

    asked by Anonymous
  83. matshumane

    Life sciences. Why are these fossils kept in a glass box in the Life sciences. Why are these fossils kept in a glass box in the museum?

    asked by dineo mogotle
  84. Math

    The length of the longest piece of bread measured 1,405 pounds and 1 and 3/4 in. It was cut into slices 1/2 in. Thick. How many slices were there?

    asked by Izzy
  85. child development

    Mrs. Brown is feeling a bit irritated by the noise level in her 1st grade classroom. She put all of the students into cooperative groups to work on a social studies project. The room is slightly more noisy then she likes, but when she looks around she sees

    asked by bev
  86. Math

    Rationalize the Denominator (√a-√b)/(√a+√b) I have literally no idea how to do this one. It's an online class so I have no teacher to ask at the moment and need help. Also i copy and pasted the square root symbols, just to let you know.

    asked by Chantry
  87. math

    convert to fraction: 8.714285714285714285...(the 714285 is repeating.

    asked by mara
  88. Math

    During a parade,band members marched in 18 rows.There were 9 band members in each row .The band members marched for 2 miles. How many band members were there?

    asked by Anonymous
  89. math

    -12 ÷ 3 x ( -8 + (-4)^2 - 6 ) + 2 how do you simplfy this expression?

    asked by Anonymous
  90. Chemistry

    What is a good website to practice limiting reagent problems?

    asked by Jordan
  91. math

    If x + y + z = 26, find the value of (y-2) + (z+3) + (x-3). I was so confused on this question and didn't even know where to start. Please help me!

    asked by Lily
  92. math

    The sum of the first 12terms of an arithmetic progression is 135 while the sum of the next 8 terms is 210. Find the common difference

    asked by Jay
  93. Physical Science

    33 A. If the woman is 2 meters in front of the mirror, how far behind the mirror will she see her image? B: Is this a real image or a virtual image? C: How could you prove your answer to B?

    asked by Loren
  94. math

    Susan has 8/9 gallons of water. She drinks 2/5 of it. Select all the statements that help you determine what fraction of a gallon she has left. Divide 8/9 by 2/5. No Divide 2/5 by 8/9. Yes Multiply the fractions together. No Multiply 8 x 2 and 9 x 5. No

    asked by anonymous
  95. maths

    if Catherine gets 100 free minutes on her cellphone each month;how many free minutes will she have in 8 months 2:how many free minutes will she have in x months

    asked by dimpho
  96. maths

    expand and simplify:2(x+2)squared-(2x-1)(x+2) 2x(x-2)+5x(x÷3)-x(3x-1) (5x-3)(2xsquared+3x-3) solve for x:(x-2)squared+3x-2=(x+3)squared

    asked by dimpho
  97. College Physics

    A cyclist is at rest at a traffic light. When the light turns green, he begins accelerating at 2.56 m/s2. How far does he go after the light turns green until he reaches a cruising speed of 10.88 m/s?

    asked by Ashley
  98. Physical Science

    A transparent object made of glass without any color (A) absorbs all frequencies of visible light and re-emits them from atom to atom through the object. (B) absorbs all frequencies of visible light and transforms the energy into thermal energy (C) has

    asked by Loren
  99. Physics

    A car travels in a straight line for 2.9 h at a constant speed of 77 km/h . What is its acceleration? Answer in units of m/s^2

    asked by Anonymous
  100. Early childhood

    integration of curriculum areas can be pictured in a weblike structure in which mathematics is always at tech center and science and other subjects are attached by radials

    asked by Neat
  101. Math

    simplify the expression (4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i got (2 square root of x)/(3-square root of x), but I'm pretty sure that it can be simplified further. If what I'm thinking is

    asked by David
  102. Inwood elementary

    Round 65.736 to the nearest tenth

    asked by NiyAh
  103. child development

    If a child is unable to connect to others because her parents do not show her love and acceptance what would be the appropriate solution for this situation? A. Change adult expectations. B. Help the child get her needs met. C. Get outside help. D. Use

    asked by bev
  104. world geography in ga

    any tutors who knows about world georgraphy in georgia/

    asked by world georgraphy in georguia
  105. child development

    Carl is getting tired of two children in his three-year-old room having wetting accidents on the playground. The class always uses the restroom before they go outside, but two of the boys are wetting themselves at least once a week, making Carl have to

    asked by bev
  106. English

    1. Where are they planning to visit on June 23? 2. What are they planning to visit on June 23? 3. What place are they planning to visit on June 23? 4. Which are they planning to visit on June 23? 5. Which place are they planning to visit on June 23? -They

    asked by rfvv
  107. Shurley English Level 8

    Please help! Classify each sentence. 1. Sit in the recliner near the fireplace and relax tonight after dinner. 2. Yesterday I accidentally tripped on my shoelace and fell down the steps of the bus!

    asked by Staci
  108. math help

    3^(n+1)-3^(n-2) Need help simplifying this please.

    asked by richard
  109. math

    rationalize the numerator: ((square root of m)-(square root of 7))/(7-x). thank you so much

    asked by mara
  110. Math

    What would be the easiest way to convert a fraction to a decimal

    asked by Tamara
  111. Current Events

    I need help in finding a lists of crimes that cause for capital punishment besides murder/homicide and I do not want to use Wikipedia. I have been looking but I keep coming across murder/homicide. Could you please help. Thank You

    asked by Cherelle
  112. world geography in ga

    what three major interstates run into alabama? 185,75,85?? what are the major interstates in ga? interstate 75 , i-95 , interstate 20 , i 85 interstate 16 , i -575

    asked by world georgraphy in georguia
  113. Bytco College

    Calculate the volume of O2 evolved &mass of KCl formed by decomposition of 30.8 gm KClO3

    asked by shweta
  114. math

    if the equation |x - a| = |y - a| is true, then which of the following must be true? a. |x| = |y| b. x>a c. |x + y| ‚ 0 d. y

    asked by anonymous
  115. math

    Sandra wants to buy some chocolates as a gift to her friend . Each bar of chocolate is worth Php. 75.00 Question : a.Write the equation . b.What is the constant of variation ? c.How much did she pay if she buy 7 bar of chocolates ?

    asked by kevin
  116. math

    order of operations; simplify 4.5-10-2(1-2)+5 thank you!

    asked by martha
  117. physics

    The magnetic potential in the region in the given X v=2xy. find magnetic field at (1m, 1m)

    asked by himanshu singh
  118. English

    Ravit and his friends won the match yesterday.rewrite the sentence

    asked by Chanti
  119. Piper

    Grouping 4squared-5×2+1=1

    asked by Denn6
  120. Math

    I am converting 0.12 to a fraction. My answer is 3/25 am I correct. Thanks

    asked by Tamara
  121. Science

    in a cricket match a spin bowler bowls a ball from one end of the pitch to rough spot on the pitch which is 18.6 metres from where he lets go of the ball if the ball takes 1.4 seconds to hit the spot calculate its average speed

    asked by Jaye
  122. algebra

    I get confused with the parentheses; 7-3(4-5) I know that the next step is: 7-3(-1) and then I get stuck.....help me. Thank you

    asked by erikah
  123. math grade 7

    Does 5-(-3)^2 -6 equal 5-(-9)-6 equal 5+9-6 equal 14-6 =8 ?????? Thanks!

    asked by Bryan
  124. math

    if the sum of two numbers are 35 and the product of that two numbers are 200,then find those two numbers

    asked by kranti
  125. TC

    If the height of hemisphere and cone is 49cm and height of cone is 35cm find the volume of solid.

    asked by Rabinprakash Dahal
  126. Math

    what is a good website to practice limits?

    asked by Jordan
  127. science

    A bolt of mass 0.3 kg falls from The ceiling of an elevator moving down with a uniform speed of 7m/s.It hits the floor of the elevator and does not rebound.What is the heat produced by the impact?g=9.8m/s to the power 2 .

    asked by anirban maity