Multiply and simplify. Assume that all variables represent nonnegative numbers. ?

A. x2y5
B. x4y10
C.
D. x2


Answer: A

Mathematics

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Evaluate the expression.(-7)2

A. -14 B. -49 C. 14 D. 49

Mathematics

Provide an appropriate response.Perform the operation and simplify your answer: 

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.Harry cuts a board  feet long from one 17 feet long. How long is the remaining piece?

A. 15 feet
B. 14 feet
C. 14 feet
D. 14 feet

Mathematics

Find the domain of the indicated combined function.Find the domain of (f - g)(x) when f(x) = 9x - 8 and g(x) = 4x - 7.

A. Domain: (-9, 8) B. Domain: (-?, ?) C. Domain: (-8, 9) D. Domain: (-8, ?)

Mathematics