Solve the problem.A swimming pool has a rectangular base 12 ft long and 24 ft wide. The sides are 7 ft high, and the pool is full of water. How much work will it take to lower the water level 2 feet by pumping the water out over the top of the pool? Assume that the water weighs 
Give your answer to the nearest ft ? lb.
A. 440,294 ft ? lb
B. 17,971 ft ? lb
C. 880,589 ft ? lb
D. 35,942 ft ? lb
Answer: D
Mathematics
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Solve the problem.The half-life of carbon-14 is 5700 years. Find the age of a sample in which 8% of the radioactive nuclei originally present have decayed.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the equation by plotting points.y = x - 4
A. 
B. 
C. 
D. 
Mathematics
Find the radian measure of angle ?, if ? is a central angle in a circle of radius r, and ? cuts off an arc of length s. ? r = 5 inches, s = 25 inches ? ?= __________ radians
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write an equivalent expression with positive exponents and, if possible, simplify.
A. p7/6
B. 
C. p6/7
D. 
Mathematics