Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 1
Answer: C
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Find the annual percentage yield (APY).A bank offers an APR of 1.75% compounded semiannually.
A. 3.52% B. 1.76% C. 0.88% D. 1.75%
Write the first five terms of the arithmetic sequence with the given first term a and common difference d.a = 4; d = 5
A. 4, 8, 12, 16, 20 B. 4, 9, 14, 19, 24 C. 9, 14, 19, 24, 29 D. 0, 4, 9, 14, 19
Solve the problem.Keyana takes a job with a starting salary of $31,000 for the first year with an annual increase of 4.5% beginning in the second year. What is Keyana's salary, to the nearest dollar, at the end of the seventh year?
A. $41,089 B. $42,850 C. $40,370 D. $38,930
Write the first five terms of the geometric sequence with the given first term a and common ratio r.a = -8; r = -4
A. -4, 32, -128, 512, -2048 B. -8, -12, -16, -20, -24 C. -8, -32, -128, 512, -2048 D. -8, 32, -128, 512, -2048