Solve the problem.Two pipes can be used to fill a pool. Working together, the two pipes can fill the pool in 
The larger pipe can fill the pool in 5 hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working alone to fill the pool.
A. 2.8 hours
B. 7.7 hours
C. 7.8 hours
D. 2.7 hours
Answer: B
Mathematics
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Find the sum of the geometric series.
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, 
A. 
B. 
C. 
D. 
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Find an equation for the line with the given properties.Parallel to the line y = -8; containing the point (9, 3)
A. y = -8 B. y = -3 C. y = 3 D. y = 9
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Solve using the elimination method.-7x - 5y = -2-4x + 5y = -9
A. (1, 1) B. (-1, 1) C. (-1, -1) D. (1, -1)
Mathematics