Add and simplify. Write the answer as an improper fraction as needed.
+ 
A.
B.
C.
D.
Answer: C
Mathematics
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Perform the indicated operation. ÷
A.
B.
C.
D.
Mathematics
Write interval notation for the graph.
A. [-6, -2) B. (-6, -2] C. (2, 6] D. [2, 6)
Mathematics
Calculate. Write answer in lowest terms.15 - 6
A. 8
B. 9
C. 7
D. 8
Mathematics
Simplify the factorial expression.
A.
B.
C.
D.
Mathematics