Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 1
D. 
Answer: B
Mathematics
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Find the derivative of the function by first expanding or simplifying the expression. f(x) = (2x - 5)(4x + 1)
A. f'(x) = 16x - 9 B. f'(x) = 16x - 22 C. f'(x) = 8x - 18 D. f'(x) = 16x - 18
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Write as a percent.0.4
A. 40% B. 400% C. 0.04% D. 0.4%
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Multiply.3 ? 4(7y)
A. 84 B. 184y C. 74y D. 84y
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Write decimal as a percent.0.013
A. 13% B. 0.0013% C. 1.3% D. 0.13%
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