Solve and check your answer.-4x = 8
A. x = -12
B. x = -2
C. x = 12
D. x = 1
Answer: B
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Solve. Write the fraction in simplest form.Mr. and Mrs. Jones have a home equity loan of $18,000. They have paid off 
of the loan. How much of the loan have they paid off?
A. $1800 B. $12600 C. $13300 D. $11900
Solve the linear equation.3(3x - 1) + 37 = 4x + 4
A. -6 B. -30 C. -150 D. 6
Solve the problem.The percent of concentration of a certain drug in the bloodstream 
after the drug is administered is given by K(x) = 
. At what time is the concentration a maximum?
A. 4 hr B. 2.5 hr C. 4.9 hr D. 7 hr
Fill in the blank with one of the words or phrases listed below.
is compounded not only on the principal, but also on interest already earned in previous compounding periods.
A. Commission B. Compound interest C. Percent of increase D. Percent of decrease