Perform the indicated operation or operations.
A. - 
B. 
C. 
D. - 9
Answer: C
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Use a calculator to find a decimal approximation for the indicated function values. Round your answer to four decimal places.cos 1.15
A. 0.4085 B. 0.0682 C. -0.4085 D. -0.0682
Solve the problem.A race car driver's speed is clocked at 140.399 mph at the end of her first lap, and at 165.743 mph at the end of the next lap. How much faster was she driving at the end of the second lap than at the end of the first?
A. 25.444 mph B. 25.354 mph C. 25.344 mph D. 24.344 mph
Solve the problem.Of the 481 students at Jorge's school, 259 are native English speakers. What fraction of the students at Jorge's school are native English speakers? Write your answer in lowest terms.
A. 
B. 
C. 
D. 
Solve the problem.If money is invested for 3 years , with interest compounded annually, the future value of the investment varies directly as the cube of (1 + r), where r is the annual interest rate. If the future value of the investment is $4499.46 when the interest rate is 4%, what rate gives a future value of 
A. 2% B. 0.02% C. 4% D. 20%