Write an equation of the line.
A. y = - 
x
B. y = 5x
C. y = - 5x
D. y = 
x
Answer: D
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Solve the problem.A swimming pool has a rectangular base 12 ft long and 24 ft wide. The sides are 5 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. 168,480 ft ? lb B. 224,640 ft ? lb C. 84,240 ft ? lb D. 112,320 ft ? lb
Find the indicated term of the sequence.The fifth term of the geometric sequence whose first term is 9 and whose common ratio is -4
A. -2304 B. 256 C. 2304 D. -9216
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
The expressions 
and 
are called 
.
A. least common denominator B. complex fraction C. proportion D. reciprocals
Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. 11x2 B. -11x C. 11x D. 121x