Solve.The formula H = 
(215 - a) gives the target heart rate, H, in beats per minute, on a stress test for a person of age a. Use this formula to find the target heart rate for a 25-year-old.
A. 124 beats per minute
B. 104 beats per minute
C. 114 beats per minute
D. 109 beats per minute
Answer: C
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Solve the problem.Suppose you saw an advertisement in the newspaper for a financial planner who was recommending a certificate of deposit that paid 5.5% interest compounded quarterly. In the fine print at the bottom of the advertisement, it stated that the APY on the CD was 
Was this advertisement accurate?
A. Yes B. No
Solve the problem.Find the area of the triangle determined by the points P(-3, 6, -4), Q(1, -3, -4), and 
A. 
B. 
C. 
D. 
Write the complex number in polar form. Express the argument in radians.- 3
- 3i
A. 6
B. 3
C. 3
D. 6
Solve the problem.Express 45° as ? - ?, where cos ? and cos ? are known exactly.
A. 165° - 120° B. 80° - 35° C. 163° - 118° D. 167° - 122°