Use a system of linear equations to solve the problem.A flat rectangular piece of aluminum has a perimeter of 60 inches. The length is 14 inches longer than the width. Find the width.
A. 22 in.
B. 30 in.
C. 8 in.
D. 36 in.
Answer: C
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Use one of the inverse trig functions csc-1 or sec-1 to express angle A in terms of b.
A. A = csc-1 
B. A = sec-1 
C. A = sec-1 
D. A = csc-1 
Mathematics
Find the volume.Of a rectangular solid 19 m × 15 m × 25 m
A. 7,125 m3 B. 9,025 m3 C. 9,375 m3 D. 4,275 m3
Mathematics
Solve the problem.Keith billed a total of 36,000 minutes to one of his company's clients. How many days was this?
A. 600 days B. 25 days C. 1500 days D. 85.71 days
Mathematics
Factor: 7x² + 43x - 42.
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Mathematics