Solve the problem.A convention manager finds that she has $1320 made up of twenties and fifties. She has a total of 48 bills. How many fifty-dollar bills does the manager have?
A. 36 fifty-dollar bills
B. 12 fifty-dollar bills
C. 8 fifty-dollar bills
D. 48 fifty-dollar bills
Answer: B
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Multiply. Assume that all variables represent nonnegative real numbers.(3 + 
)2
A. 11 + 3
B. 9 + 6
C. 11 + 6
D. 5 + 6
Convert to a logarithmic equation.251/2 = 5
A. 5 = log25
B. 
= log255
C. 5 = log1/225
D. 
= log525
Solve the inequality.x2 + 6x ? 0
A. [0, 6] B. (-?, -6] or [0, ?) C. (-?, 0] or [6, ?) D. [-6, 0]
Use the following figure. Lines m and n are parallel. State whether the given pair of angles is congruent or supplementary and explain why. 
?4 and ?6
A. supplementary; They are consecutive exterior angles. B. supplementary; They are consecutive interior angles. C. congruent; They are corresponding angles. D. congruent; They are alternate exterior angles.