Simplify the complex fraction.

A. - 6
B.
C.
D.  


Answer: C

Mathematics

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A. 5 or -5 B. 3 C. 5 D. 3 or -3

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Find the effective rate of interest.6% compounded monthly

A. 6.39% B. 6.25% C. 6.29% D. 6.43%

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Simplify the expression using the imaginary unit i.

A. -6i 
B. 6i 
C. i
D. ±6

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Solve the problem.The transverse (vertical) displacement of a traveling wave on a stretched string is represented by the equation  Find the period, amplitude, and phase shift of this function, given that    and 

A. 1, 2, 2.5 B. 3, 2, -2.5 C. 1.00, 2, 2.50 D. ?, 2, -2.5

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