Solve the problem.One maid can clean the house in 5 hours. Another maid can do the job in 3 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: A
Mathematics
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Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(2, -5) and (2, 3)
A. 2 B. Undefined C. 4 D. 8
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Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
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