Simplify using one or more exponent rules. Write the final answer using only positive exponents. Assume that all variables represent nonzero real numbers.
-2
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Add. Write the answer in lowest terms as a mixed number.
A. 13
B. 12
C. 11
D. 12
Mathematics
Find the indefinite integral.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the system by elimination.-5x + 7y = 56 2x + 4y = 32
A. {(0, 8)} B. ? C. {(0, 9)} D. {(-1, 9)}
Mathematics
Simplify using the order of operations.
A. -16 B. 14 C. -28 D. -11
Mathematics