Factor out the greatest common factor.5x2 + 40x
A. 5x2(x + 8)
B. 5x(x + 40)
C. 5x(x + 8)
D. x(5x + 40)
Answer: C
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Find the finance charge for the following revolving charge account. Assume that interest is calculated on the average daily balance of the account.Average Daily BalanceMonthly Interest Rate$7,150.80?1.1%
A. $786.59 B. $71.51 C. $85.81 D. $78.66
Evaluate the expression.
A. 7
B. 
C. 42
D. 2!
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x - 10| > 14
A. (24, ?)
B. (-?, -4) ? (24, ?)
C. (-4, 24)
D. (-24, 4)
Solve the problem.A carbon-14 dating test is performed on a fossil bone, and analysis finds that 15.5% of the original amount of carbon-14 is still present in the bone. Estimate the age of the fossil bone. (Recall that carbon-14 decays according to the equation A = A0e-0.000124t).
A. 15,000 years B. 150 years C. 15,035 years D. 1,500 years