Simplify.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.
Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.
A. 0.7692 B. 0.8333 C. 1.200 D. 0.6410
Mathematics
Use DeMoivre's Theorem to write the expression in rectangular form.
4
A. -4i B. -4 C. 4i D. 4
Mathematics
Multiply. Simplify, if possible.3.1 ? (-3.82)
A. -11.842 B. 7.02 C. -0.72 D. 6.92
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.8x2 + 18xt + 9t2
A. (2x - 3t)(4x - 3t) B. (8x + 3t)(x + 3t) C. (2x + 3t)(4x + 3t) D. prime
Mathematics