Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 21 in.
B. 14 in.
C. 15 in.
D. 18 in.
Answer: C
Mathematics
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Write the equation of the line with the given slope and y-intercept.Slope 
; y-intercept is -2
A. y = 
x + 2
B. y = - 
x + 2
C. y = 
x - 2
D. y = - 
x - 2
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Decompose into partial fractions.
A. 
+ 
B. - 
+ 
C. 
- 
D. 
+ 
Mathematics
Determine whether the ordered pair is a solution of the system of linear equations.
; (1, 5)
A. Yes B. No
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Perform the indicated operation(s). Simplify if possible.
- 
A. 
B. 
C. 17
D. 
Mathematics