Solve the problem.In how many ways can 8 people be lined up?
A. 20,160
B. 1
C. 40,320
D. 8
Answer: C
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Solve the problem.Using a radio navigation system, it is determined that a ship is located on the hyperbola 
If the ship is 90 miles offshore, find the coordinates of the ship's location, to the nearest tenth.
A. (1.2, 8100) B. (90, 1.2) C. (1.4, 90) D. (1.2, 90)
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = x2 + 4, y = 2x + 4
A. 
?
B. 
?
C. 8?
D. 
?
Solve the problem.How much money needs to be invested now to get $2000 after 4 years at 8% compounded quarterly? Express your answer to the nearest dollar.
A. $2746 B. $1848 C. $584 D. $1457
Solve the problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
. How many bolts must be sold to maximize revenue?
A. 736 thousand bolts B. 368 bolts C. 736 bolts D. 368 thousand bolts