Simplify the expression.-9 + (-30) - 11 + 1
A. -51
B. -31
C. -49
D. 11
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 all specified roots.Cube roots of -8
A. -2, 1 + 
i, -1 - 
i
B. -2, -1 - 
i, 1 - 
i
C. -2, 1 + 
i, 1 - 
i
D. -2, -1 + 
i, -1 - 
i
Identify the vertex of the parabola.f(x) = 4x2 - 32x + 61
A. (3, -4) B. (4, -3) C. (-4, 3) D. (-4, -3)
Solve the problem.In simplified form, the period of vibration P for a pendulum varies directly as the square root of its length L. If P is 3.5 sec. when L is 49 in., what is the period when the length is 25 in.?
A. 2.5 sec B. 50 sec C. 10 sec D. 12.5 sec