Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 21
D. 
Answer: D
Mathematics
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Solve the problem.How many different ways can a president, vice-president, and secretary be chosen from a club with 12 members?
A. 6 B. 36 C. 1320 D. 220
Mathematics
Decide whether the figure shown is a polyhedron.
A. Not a polyhedron B. Polyhedron
Mathematics
Write the improper fraction as a mixed number or an integer.
A. -5
B. -5
C. -6
D. -4
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics