Evaluate the expression.(-7)2

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

Answer: D

Mathematics

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Convert the mixed number into an improper fraction.-5

A. - 
B. - 
C. - 
D. - 

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A. 9 
B. 27 
C. 27
D. 3

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For the following expressions perform the indicated operations and simplify. Write the answers in form.

A.
B.
C. 6
D. 6
E. None of these

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