Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
A. 8
B. 17
C. 8
D. 16
Answer: C
Mathematics
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Simplify.
A. 5k2 B. -5k2 C. 125k2 D. 5k9
Mathematics
Sketch the graph of y = -1 - cosx over one period.
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-8x2y)(-7x3y5)
A. -56x5y5 B. -15x5y5 C. 56x6y5 D. 56x5y6
Mathematics
Simplify. Assume all variables represent nonnegative values.
A. 2x + 2 + 
B. 2x - 2
C. 2x + 2
D. -2x + 4
Mathematics