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