Write the expression without parentheses.-(-4m + 5n - 9p)
A. -4m + 5n + 9p
B. 4m - 5n - 9p
C. 4m - 5n + 9p
D. -4m + 5n - 9p
Answer: C
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Simplify the expression.
-4
A. 
B. 
C. 625
D. -625
Use a graphing utility as an aid in factoring to solve the equation.22x2 + 129x + 44 = 0
A. x = - 11, x = - 
B. x = 
, x = - 4
C. x = - 
, x = - 
D. x = 
, x = 
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 10 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 17 B. 0 ? x ? 19 C. 0 ? x ? 20 D. 0 ? x ? 18
Find the perimeter of the figure.
A. 41 in. B. 50 in. C. 105 in. D. 51 in.