Solve the problem and answer the question.One pump can drain a pool in 10 minutes. When a second pump is also used, the pool only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?
A. 12 min
B. 2
min
C. 1
min
D. 
min
Answer: B
Mathematics
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Simplify the following by combining like terms.2m7 + 3m7
A. 5m14 B. 35m C. 5m7 D. cannot be simplified
Mathematics
Factor the trinomial completely.15x3 - 2x2 - 8x
A. (x2 - 4)(15x + 2) B. x(15x + 1)(x - 8) C. x(3x + 2)(5x - 4) D. (3x - 2)(5x + 4)
Mathematics
Solve the problem.A furniture store buys 45 footstools from a distributor at a cost of $230 each plus an overhead charge of $45 per order. The retail markup is 25% on the total price paid. Find the profit on the sale of one footstool.
A. $57.50 B. $57.75 C. $57.25 D. $5775.00
Mathematics
Determine the real solutions to the system of nonlinear equations.x3 + y = 06x2 - y = 0
A. (0, 0), (-6, 216) B. (0, 0), (6, -216) C. (-1, 1), (-6, 216) D. (0, 0), (-6, 36)
Mathematics