Solve the problem.If sin ? = - 
, and ? terminates in quadrant IV, then find sin 2?.
A. 
B. - 
C. - 
D. 
Answer: B
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Jackie's parents loaned her $80,000 to fund her college education. Her parents are not charging interest. They desire to be paid one lump sum of $80,000 when Jackie can accumulate that amount. Jackie established a savings plan that earns 8% compounded annually. Her new job promises to pay an annual holiday bonus that will enable her to make equal annual, year-end deposits of $6,400. Approximately how many years will it take Jackie to accumulate the $80,000?
A. 8 years B. 8.5 years C. 9 years D. 12.5 years
Solve the problem.Suppose you start saving today for a 
down payment that you plan to make on a house in 10 years. Assume that you make no deposits into the account after your initial deposit. The account has quarterly compounding and an APR of 3%. How much would you need to deposit now to reach your 
goal in 10 years?
A. $15,490.39 B. $14,832.96 C. $12,342.98 D. $9495.49
Establish the identity.sin3 3x = 
(sin 3x)(1 - cos 6x)
What will be an ideal response?
What type of prediction is stated in a way that permits it to be tested?
A. hypothesis B. theory C. conclusion D. conjecture