Solve.-36r + 24 ? -6(5r - 5) Put your answer in interval notation.
A. (-?, -1)
B. (-?, -1]
C. (-1, ?)
D. [-1, ?)
Answer: D
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Solve.e-t = 0.07
(Round to the nearest ten-thousandth.)
A. 2.6593 B. -2.6593 C. -1.0725 D. 1.0725
Using the factoring method, solve for the roots of the quadratic equation.9y2 + 21y + 10 = 0
A. y = 
, y = 
B. y = 
, y = - 
C. y = - 
, y = - 
D. y = - 
, y = - 
Solve the problem.A cellular phone company determines a monthly bill from the x number of minutes of usage. The amount of the bill, B(x), (in dollars) is given by the function: 
Determine the bill of a customer who uses her cellular phone 32.00 minutes during the month.
A. $32.00 B. $961.92 C. $3.52 D. $33.47
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. 
a = 3, A = 40°; Find b, c, and B.
A. b = 3.58 c = 4.67 B = 60° B. b = 3.58 c = 5.67 B = 60° C. b = 3.58 c = 4.67 B = 50° D. b = 3.58 c = 5.67 B = 50°