Solve the problem.A pulley rotates through 57° in one minute. How many rotations (to the nearest tenth of a rotation) does the pulley make in an hour?
A. 171.0 rotations
B. 19.0 rotations
C. 342.0 rotations
D. 9.5 rotations
Answer: D
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Use <, >, or = to make a true statement.4
0
A. < B. > C. =
Solve the problem.Barbara knows that she will need to buy a new car in 2 years. The car will cost $15,000 by then. How much should she invest now at 8%, compounded quarterly, so that she will have enough to buy a new car?
A. $12,802.36 B. $13,868.34 C. $13,888.89 D. $11,907.48
Use dot mode to graph the function f in the standard viewing rectangle. Evaluate f for the given x-values.f(x) = [[x - 1]] at x = -0.7 and x = 1.7
A. 
f(-0.7) = -1, f(1.7) = 1
B. 
f(-0.7) = 1, f(1.7) = 2
C. 
f(-0.7) = -2, f(1.7) = 0
D. 
f(-0.7) = -1, f(1.7) = 0
Simplify the exponential expression. Assume that variables represent nonzero real numbers.(-5)3
A. 125 B. -15 C. 15 D. -125