Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the mean for the sequence of numbers.11, 7, 5, 14, 9, 13, 17
A. 
B. 
C. 10
D. 
Mathematics
Given the following properties of a triangle find Angle C.
Mathematics
Evaluate the derivative.f'(3) if f'(x) = 
A. - 1
B. - 
C. 
D. - 2
Mathematics
Simplify.
A. 15x2
B. 5x
C. 5x2
D. 15x
Mathematics