Use the compound interest formulas A = P
nt and A = Pert to solve.Suppose that you have $11,000 to invest. Which investment yields the greater return over 9 years: 7.5% compounded continuously or 7.6% compounded semiannually?
A. Both investment plans yield the same return.
B. $11,000 invested at 7.5% compounded continuously over 9 years yields the greater return.
C. $11,000 invested at 7.6% compounded semiannually over 9 years yields the greater return.
Answer: B
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Solve.A bakery makes Chocolate Chip and Toffee Chunk cookies. Each batch of Chocolate Chip cookies requires 3 hours of labor and each batch of Toffee Chunk cookies requires 4 hours of labor. Each day, the company has at most 31 hours of labor available. Write an inequality that describes the company's options for the number of batches, C, of Chocolate Chip cookies and the number of batches, T, of Toffee Chunk cookies that the company makes in a day. Can the company make 3 batch(es) of Chocolate Chip cookies and 5 batch(es) of Toffee Chunk cookies in a day?
A. 3C + 4T ? 31; no B. 4C + 3T ? 31; yes C. 3C + 4T ? 31; no D. 3C + 4T ? 31; yes
Solve the problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 230.64 ft B. 281.38 ft C. 269.08 ft D. 269.42 ft
Simplify the expression.(
+ 5)(
- 5)
A. 7
B. 37
C. -13
D. 12 - 2
Solve.In triangle ABC, the measure of angle B is 88° more than twice the measure of angle A. The measure of angle C is 
more than that of angle A. Find the angle measures.
A. 13°, 114°, 40° B. 16°, 120°, 44° C. 13°, 114°, 53° D. 9°, 106°, 65°