Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(
+ 1)(
- 1)
A. 2 + 2
B. 2 - 2
C. 4
D. 2
Answer: D
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Reverse the order of integration and then evaluate the integral.
A. 
(1 - cos 2)
B. 
(1 - cos 2)
C. cos 2 - 1
D. 2(1 - cos 2)
Provide an appropriate response. An average person burns off 100 calories if they bicycle for 15 minutes at 9 mph. There are approximately 3,500 calories in one pound. Harry signed up at the local fitness center and spent 45 minutes on the stationary bicycle pedaling at a steady rate of 9 mph. How many calories did he burn? Did he use up a pound?
A. 4,500 calories; yes B. 300 calories; no C. 900 calories; no D. 3,200 calories; no
Solve the problem.The Internal Revenue Service randomly tags 5% of all tax returns for a possible audit. If 200 Middletown residents have had their tax returns tagged, approximately how many residents live in Middletown?
A. 10 B. 40,000 C. 4000 D. 1000 E. none of these
Solve the problem. Round to the nearest cent.The list price of 2 dozen blank cassettes is $47. Find the dealer's cost per cassette if a series discount of 
is offered.
A. $38.07 B. $0.37 C. $1.57 D. $1.59