Find the exact value of the expression or state that it does not exist.cos 
A. 
B. 
C. 
D. 
Answer: D
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Write the rational expression in lowest terms.
A. x - 4 B. x - 16 C. x + 16 D. x + 4
Find the equation in standard form of the parabola described.The focus has coordinates (2, 0), and the equation of the directrix is x = -2.
A. y2 = 8x B. y2 = 2x C. x2 = 8y D. y2 = -8x
Convert the degree measure to radians, given to four decimal places.39.10°
A. 0.6824 B. 0.5824 C. 0.7824 D. 0.4824
Provide an appropriate response.Anne and Michael both put $5000 in a savings account. Anne gets 8% compounded monthly. In Michael's account, the interest is compounded annually. Two years later the amount in Anne's account is exactly the same as the amount in Michael's account. What can you conclude about the interest rate for Michael's account?
A. It is less than 8%. B. It is equal to 8%. C. There is not enough information to determine whether it is greater or less than 8%. D. It is greater than 8%.