Solve the problem.A swimming pool is 20 m long and 11 m wide, with a bottom that slopes uniformly from a depth of 
at one end to a depth of 2 m at the other end (see figure). Assuming the pool is full, how much work is required to pump the water to a level 0.1 m above the top of the pool? Round to one decimal place when appropriate.
A. 4,743,200 J
B. 31,046,400 J
C. 19,547,733.3 J
D. 14,804,533.3 J
Answer: C
Mathematics
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Solve the given differential equation.(9x2 - 8x)dx - dy = 0
A. 3x3 - 4x2 + C B. 3x3 - 8x2 + C C. 9x3 - 8x2 + C D. 9x3 - 4x2 + C
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Add.23 + (-17)
A. -6 B. 6 C. 40 D. -40
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Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.e(x + 2) = 8
A. x ? 2.303 B. x ? 0.303 C. x ? 0.140 D. x ? 0.079
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Solve the combined inequality and graph the solution set. Write the solution in interval notation.0 ? 
< 3
A. 
B. 
C. 
D. 
Mathematics