Factor completely. If the polynomial cannot be factored, write "prime."343 - 729x3
A. (343 - 9x)(1 + 63x + 81x2)
B. (7 - 9x)(49 + 81x2)
C. (7 - 9x)(49 + 63x + 81x2)
D. (7 + 9x)(49 - 63x + 81x2)
Answer: C
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Solve the problem.Carol has a bail bondsman post a bail of $5000 for her trial that will take place in 4 months. The bondsman charges a $110 fee plus 
of the bail. What interest rate is being charged by the bail bondsman?
A. 55.2% B. 7% C. 27.6% D. 36.8%
Use a graphing utility to graph the polar equation.r = 4 sin 
A. 
B. 
C. 
D. 
Solve by using the square root property.5x2 = 121
A. x = ± 
B. x = 
C. x = ± 
D. x = ± 
Solve the problem.Suppose, for a certain drug, the following results were obtained: Immediately after the drug was administered, the concentration was 4 milligrams per milliliter. Twelve hours later, the concentration had dropped to 1.6 milligrams per milliliter. The concentration decays exponentially according to the law 
Determine the value of k for this drug.
A. k = 0.0764 B. k = -1.4100 C. k = -0.0764 D. k = -0.0098