Solve the application problem.One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 8 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? (Round your answer to the nearest tenth, if necessary.)
A. 71 min
B. 73.2 min
C. 72 min
D. 4.2 min
Answer: C
Mathematics
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A. y = -4x2 + 2x B. y = -4x2 - 2x C. y = 4x2 - 2x D. y = 4x2 + 2x
Mathematics
Use conversion factors to convert the units of measure.9.5 miles to feet
A. 4,180 ft. B. 16,720 ft. C. 50,160 ft. D. 1,393.33 ft.
Mathematics
Solve and simplify.y + 
= 
A. y = - 
B. y = 
C. y = - 
D. y = 
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Subtract.
A. 164 B. 260 C. 264 D. 1,028
Mathematics