Solve.The difference of a number and 15 is -21 less twice the number. Find the number.
A. 12
B. 2
C. -2
D. -12
Answer: C
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Find the APR to the nearest 0.5%. Use the Annual Percentage Rate table if necessary.
A student has a total of $2500 in student loans that will be paid with a 
installment loan with monthly payments of $61.62. Determine the APR of the loan to the nearest 0.5%.
A. 8.5% B. 7.5% C. 8.0% D. 9.5%
Find the area A. Round the answer to three decimal places.
A. 3.491 yd2 B. 0.873 yd2 C. 1.111 yd2 D. 6.981 yd2
Place a less than or greater than sign in the blank to make a true statement.-5 
2
A. < B. >
Determine whether the statement is true or false.In an initial simplex tableau, if the augmented column above the horizontal line contains a negative number, then the objective function is unbounded and no optimal solution exists.
A. True B. False