Solve the problem.One printer can do a printing job in 5 hours. Another printer can do the same job in 11 hours. How long can they do the job working together?
A. 9
hours
B. 3
hours
C. 3
hours
D. 
hours
Answer: B
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Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 + 
x
A. 
; x2 + 
x + 
= 
2
B. 
; x2 + 
x + 
= 
2
C. 100; x2 + 
x + 100 = (x +10) 2
D. 
; x2 + 
x + 
= 
2
Use the percentage method of withholding to find the federal withholding tax, a 6.2% FICA rate to find the FICA tax, and 1.45% to find the Medicare tax. Then find the net pay for the employee. Assume that the employee has not earned over $115,000 so far this year.
Karen Smith has gross earnings of $7512.15 monthly. She is single and has 6 withholding allowances.
A. $7,964.90 B. $5,910.04 C. $6,937.47 D. $6,484.72
Evaluate the function.Given f(x) = (x + 1)2, find f(3).
A. 8 B. 4 C. 16 D. -16
Graph the solution of the system. 2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 