Solve the problem.Two pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to fill the tank. How long does it take the first pump alone to fill the tank?

A. 67.5 min
B. 33.75 min
C. 80 min
D. 60 min


Answer: D

Mathematics

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Simplify the following radical expression.   ?

A.
B.
C.
D.
E.

Mathematics

The solution(s) of the equation can be found by locating the point(s) where the graph of crosses the horizontal line determined by the equation

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Mathematics

Assume that the given mutual fund investment earns monthly returns that are reinvested and subsequently earn at the same rate. Find the beginning value of the investment, first monthly return, or effective annual rate of return as indicated. Find the first monthly return.

A. $2764.87 B. $595.18 C. $2705.35 D. $59.52

Mathematics

Find the intercepts for the equation.-3x + y = 9

A. (-1, 0) (6, 0) B. (9, 6) (-1, 9) C. (0, -1) (0, 6) D. (-3, 0) (0, 9)

Mathematics