Simplify.
A. 
B. 
C. 
D. none of these
Answer: C
Mathematics
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Determine whether the statement is true or false.A natural number which is not deficient must be abundant.
A. True B. False
Mathematics
Find the exact value using a double-angle identity.cos(90°)
A. 
B. 1
C. 0
D. 
Mathematics
Solve.5
=15
A. 81 B. 9 C. 3 D. empty set solution
Mathematics
Use the principles of translating and reflecting to graph the function.f(x) = -(x + 4)4 - 1
A. 
B. 
C. 
D. 
Mathematics