Use an identity to write the expression as a single trigonometric function or as a single number.2 cos215° - 1
A. 
B. 
C. 
D. 
Answer: B
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Use the Hamilton method to make the assignment.City A, City B, and City C are cooperating to build a community center catering to the three cities. Seats on the 
committee are assigned according to the populations of the cities. The population of City A is 18,000, City B is 21,000, and City C is 22,000. Assign the seats to the committee.
A. City A: 2; City B: 5; City C: 4 B. City A: 3; City B: 4; City C: 4 C. City A: 4; City B: 3; City C: 4 D. City A: 4; City B: 4; City C: 3
Solve the problem. Round to the nearest cent.Tech Support offers trade discounts of 10/20 and terms of 3/10, n/30 on its tool cases. Assuming a service department earns the cash discount, find the net cost of a tool case list-priced at $362.
A. $260.64 B. $245.80 C. $234.58 D. $252.82
Solve the problem.A certain radioactive isotope has a half-life of 252 years. Determine the annual decay rate, k.
A. 0.135% B. 0.195% C. 0.265% D. 0.275%
Insert <, >, or = to make the statement true.-88 
-80
A. = B. < C. >