Solve.Amy can clean the house in 8 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?
A. 9hr
B. 8hr
C. 8 hr
D. 4 hr
Answer: C
Mathematics
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B.
C.
D.
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Use the quadratic formula to solve the equation.4m2 + 12m + 4 = 0
A.
B.
C.
D.
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