Solve.Amy can clean the house in 7 hours. When she works together with Tom, the job takes 5 hours. How long would it take Tom, working by himself, to clean the house?
A. 17
hr
B. 18hr
C. 2 hr
D. 18
hr
Answer: A
Mathematics
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Find the book value after the given number of years, using the straight-line method. Round your answer to the nearest dollar.Find the book value at the end of 5 years.Cost:$77,500Estimated life:50 yearsEstimated scrap value:$4,650
A. $7,285 B. $69,750 C. $76,043 D. $70,215
Mathematics
Multiply.(x + 5)(x + 5)(4x + 2)
A. 4x3 + 120x2 + 42x + 50 B. 4x3 - 42x2 - 120x + 50 C. 4x3 + 50 D. 4x3 + 42x2 + 120x + 50
Mathematics
Simplify.-7 + 4(-2) - 12
A. -34 B. -11 C. -27 D. -42
Mathematics
Subtract.
A. 74 B. 174 C. 164 D. 1104
Mathematics