Find the limit with a table, then check your answer by graphing the function.
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C) ?
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Factor out the greatest common factor. Simplify the factors, if possible.25wx - 20wy - 20wz
A. 5(5wx - 4wy - 4wz) B. 25w(x - 20y - 20z) C. 5w(5x - 20wy - 20wz) D. 5w(5x - 4y - 4z)
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
Solve the problem.An airplane is sighted at the same time by two ground observers who are 3 miles apart and both directly west of the airplane. They report the angles of elevation as 15° and 
How high is the airplane?
A. 4.03 mi B. 0.78 mi C. 1.03 mi D. 3.05 mi
Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 2
D. 