Solve the problem.A rectangular swimming pool has a parabolic drain plate at the bottom of the pool. The drain plate is shaped like the region between y = 
x2 and the line y = 
from x = -1 to x = 1. The pool is 10 ft by 20 ft and 8 ft deep. If the pool is being filled at a rate of 
what is the force on the drain plate after 4 hours of filling? Round your answer to two decimal places if necessary.
A. 153.92 lb
B. 486.72 lb
C. 166.4 lb
D. 76.96 lb
Answer: A
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Find the conjugate of each complex number.-3j
A. -3 B. 3j C. No conjugate. D. 3
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)
A. - 
B. 
C. Undefined
D. 0
Complete the following table.
What will be an ideal response?
Use sets to solve the problem.A survey of a group of 117 tourists was taken in St. Louis. The survey showed the following:66 of the tourists plan to visit Gateway Arch;49 plan to visit the zoo;11 plan to visit the Art Museum and the zoo, but not the Gateway Arch;14 plan to visit the Art Museum and the Gateway Arch, but not the zoo;19 plan to visit the Gateway Arch and the zoo, but not the Art Museum;7 plan to visit the Art Museum, the zoo and the Gateway Arch;16 plan to visit none of the three places.How many plan to visit the Art Museum only?
A. 101 B. 37 C. 12 D. 49