Simplify the exponential expression. Assume that variables represent nonzero real numbers.(-5)3
A. 125
B. -15
C. 15
D. -125
Answer: D
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Solve the problem. Round dollar amounts to the nearest cent. Use ordinary interest unless otherwise indicated.On October 12, Marge Smith paid a state income tax payment, which was due on June 30. The penalty was 10% simple interest on her unpaid tax of $641. Find the penalty using exact interest.
A. $17.91 B. $18.52 C. $18.26 D. $18.44
Use the figure to answer the question.The weights (in pounds) of a group of high school students are listed below in a 
plot.
Which interval has the most students in it?
A. 140-149 B. 90-99 C. 130-139 D. 110-119
Write the decimal as a fraction or mixed number in lowest terms.0.5
A. 
B. 
C. 
D. 
Find one solution graphically and then find the remaining solutions using synthetic division.-2x4 + 6x3 + 14x2 - 54x + 36 = 0
A. 3, 2, -2, 1 B. 3, 2, 1, -3 C. 3, -3, 2, -2 D. -3, -2, -1