Multiply. Assume that all variables represent nonnegative real numbers. 

A.  - 
B. y  - 
C. y  - 
D.  - 


Answer: C

Mathematics

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Solve the problem.The radius of a sphere depends on its surface area, S, and is given by the formula  r = .What is the surface area of a sphere with radius of 8.3 inches?Use 3.14 for ?.

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Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.

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