From a box containing 4 black balls and 5 white balls two balls are drawn at random. Find the probability that both balls are white. Assume that the first ball is returned before the second ball is drawn. * O 40/81 O 25/81 O 16/81 O5/18

Q: Tracy's first four test grades are 85, 89, 87 and 96. What is the lowest grade Tracy can get on the…

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Q: Four consecutive odd integers have a sum of 96. Find the second smallest number.

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Q: Six more than the quotent of a number and 4 is 8.

A: let that number is x and quotient of the number and 4 be x4

Q: The quotient of four and a number added to negative twenty-three is six

A: Let  the number be =x then 4x+(-23)=64x-23=64x=6+23x=429

Q: three friends went toSix Flags.Each person pays $40 for their entry ticket.For each ride,they each…

A: Topic = Algebra

Q: Distinguish the number of solutions.

A: Given that,

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Q: How many three-digit numbers have the sum of their digits equal to 19? There are three-digit numbers…

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Q: Find two numbers whose sum is 9 and their difference is 60.   Smaller- Large number-

A: We have given the - sum of two numbers = 9. difference of two numbers = 60. we have to find the…

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Q: Devon pays $19.95 for her hair color analysis after that she pays $6.95 for each color touch up what…

A: See answer below.

Q: V9-x2 2+3x dy dx

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Q: 4+b=30

A: It is addition and subtraction of numbers.