Evaluate.
, for p = -56 and q = -7
A. 64
B. -56
C. -64
D. 56
Answer: A
Mathematics
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Simplify.(mn)-7
A. 
B. 
C. 
D. m7n7
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.3
- 9
A. -21
B. -6
C. 15
D. -15
Mathematics
Provide an appropriate response.How many real square roots does any negative number have?
A. None B. Two C. One D. It depends on the number
Mathematics
Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 
C. 5x
D. 
Mathematics