Solve the problem.A swimming pool has a rectangular base 11 ft long and 22 ft wide. The sides are 4 ft high, and the pool is half full of water. How much work will it take to empty the pool by pumping the water out over the top of the pool? Assume that the water weighs 62.4 lb/ft3. Give your answer to the nearest ft ? lb.
A. 90,605 ft ? lb
B. 60,403 ft ? lb
C. 45,302 ft ? lb
D. 120,806 ft ? lb
Answer: A
Mathematics
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A. 
B. 
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Provide an appropriate response.Use the calculator to find the approximate value of the root 361/3.
A. 12 B. 6 C. 3.301927249 D. 2.449489743
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Use the quadratic formula to solve the equation.x2 - 4x + 8 = 0
A. {2 ± 4i} B. {2 + 2i} C. {4, 0} D. {2 ± 2i}
Mathematics
Use the product-to-sum formulas to rewrite the expression as the sum or difference of two functions.sin 
? sin 
?
A. 
cos 
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cos 
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B. 
sin 
? - 
sin 
?
C. 
sin 
? + 
sin 
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D. 
cos 
? + 
cos 
?
Mathematics