Find the exact value of the following expression without using a calculator.csc 
A. -
B. - 
C. -
D. - 
Answer: D
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Simplify.
-4
A. 
B. 
C. 
D. 
Perform the indicated operations in the proper order.-9(8 - 5) - 82
A. 3 B. 37 C. 64 D. -91
Solve the problem. Use the approximate APR formula to estimate the APR, and round rates to the nearest tenth of a percent.Eddie Hodges buys a complete stereo with CD for $980, paying it off at $46.19 per month for 2 years. What is the approximate APR of the loan?
A. 13.1% B. 12.6% C. 11.4% D. 12.1%
Solve the problem.The consumption of electricity can be modeled by C = Aert, where A is the current use, r is the rate at which the use is increasing, and t is the number of years. Suppose the consumption of electricity grows at 6.8% per year. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 0.16 year B. 1.62 years C. 16.16 years D. 44.12 years