Evaluate.82 - 1

A. 65
B. 63
C. 64
D. 15

Answer: B

Mathematics

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Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.-9x0 

A. 1 B. -1 C. 0 D. -9

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Provide an appropriate response.Simplify 9x + 4 + 5x + 5 by combining like terms.

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Add or subtract, as indicated. + 1 + 2

A. 6 
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C. 7 
D. 6 

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