Solve the problem.An office manager will spend a total of $40,000 on copiers at $2000 each and boxes of paper at $50 each. Write the number of copiers purchased, c, as a function of the number of boxes of paper purchased, b. Find and interpret the slope. Hint: Start with standard form.
A. c = - 
b + 20; If b increases by 200, then c decreases by 5.
B. c = 
b + 20; If b decreases by 5, then c increases by 200.
C. c = - 
b + 20; If b increases by 5, then c decreases by 200.
D. c = 
b + 20; If b decreases by 200, then c increases by 5.
Answer: A
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?
?
A. 
B. ?
C. ?
D. ?
E. ?
Determine if the given ordered triple is a solution of the system.x + 5y + 5z = 28
18
4(-2, 2, 4)
A. No B. Yes
Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 5?t inches after t seconds. When does the weight first reach its maximum height?
A. After 
sec
B. After 
sec
C. After 
sec
D. After 
sec
Solve the system by graphing.5x + y = -16 x + 3y = -6 
A. {(3, -1)} B. {(-3, -4)} C. {(-3, -1)} D. {(-4, 4)}