Find the union of the two sets.{1, 11} ? {1, 4, 9}
A. ?
B. {1}
C. {4, 9, 11}
D. {1, 4, 9, 11}
Answer: D
Mathematics
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Evaluate.a2 for a = 6
A. 36 B. 6 C. 216 D. 12
Mathematics
Find the prime factorization of the number.15
A. 3 ? 7 B. 3 ? 5 C. 3 ? 6 D. 3 + 5
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
-3
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation, where possible.
+ 
A. 
B. 
C. 
D. 
Mathematics