Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14
B. -5
C. 0
D. 1
Answer: D
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Solve the problem.In how many ways can 7 people be seated in a row that has 2 vacant seats?
A. 362,880 B. 181,440 C. 36 D. 5040
Solve the problem. Round to the nearest cent.Fairview Paint Supply offers contractors a trade discount of 10/15/10 on all paints and varnishes, with terms of 3/10, n/30. Find a contractor's price for paints with a total list price of $373 if the invoice is paid in 30 days.
A. $249.11 B. $235.18 C. $242.45 D. $256.81
Solve the problem.An object in simple harmonic motion has a frequency of 
oscillations per second and an amplitude of 6 feet. Write an equation in the form d = a sin ?t for the object's simple harmonic motion.
A. d = 6 sin 
B. d = 6 sin 
C. d = 6 sin 5?t
D. d = 6 sin 
Solve the problem. Use 3.14 for ?.A semicircular driveway has a diameter of 60 ft. How long is the driveway?
A. 188.4 ft B. 600 ft C. 94.2 ft D. 92.2 ft