Translate into an equation, then solve.The product of negative three and a number is twenty-four.
A. -3 + n = 24, n = 27
B. -3n = 24, n = 8
C. -3n = 24, n = -8
D. -8n = 3, n = 8
Answer: C
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Solve the problem.A swimming pool is 23 m long and 8 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 0.4 m above the top of the pool? Round to one decimal place when appropriate.
A. 5,529,813.3 J B. 5,048,960 J C. 12,983,040 J D. 10,578,773.3 J
Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = 7, y = 5, z = 3; (7, 5, 3) B. x = 6, y = -7, z = -3; (6, -7, -3) C. x = 6, y = 7, z = 3; (6, 7, 3) D. x = 7, y = 3, z = 7; (7, 3, 7)
Let A = {3, 4, 11, 17} and B = {14, 17}. Find n(A?B).
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