Add or subtract as indicated.8
+ 
- 7
A. 
B. 
+ 
C. 15
+ 
D. 
Answer: B
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Solve the problem.A sequence is defined by f(n) = floor(
)?ceiling(
). By looking at several examples on your calculator determine 
A. n2 + n B. (n - 1)2 C. (n + 1)2 D. n2 - n
Solve the problem.A vertical right circular cylindrical tank measures 
high and 
in diameter. It is full of oil weighing 
How much work does it take to pump the oil to a level 
above the top of the tank? Give your answer to the nearest ft ? lb.
A. 862,556 ft ? lb B. 729,855 ft ? lb C. 1,725,111 ft ? lb D. 718,796 ft ? lb
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Solve the problem.A dairy produces 
of milk each day. There are 
in a gallon. How many gallons of milk are produced each day?
A. 200,000 gal. B. 125,000 gal. C. 1250 gal. D. 12,500 gal.