Solve the problem.At SuperStop, gasoline costs 
per gallon when you pay with a credit card, 
per gallon less when you pay with cash. How much money will it cost to fill a 11-gallon tank if you pay with cash?
A. $15.27
B. $14.41
C. $12.49
D. $15.40
Answer: B
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Express the number in scientific notation.216
A. 2.16 x 102 B. 2.16 x 10-2 C. 2.16 x 101 D. 2.16 x 103
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. Solve the equation 
to find the time t (in seconds) at which the object hits the ground.
A. 160 sec B. 2 sec C. 5 sec D. -2 sec
Evaluate the integral.
A. 
sin-1 
x + C
B. 
sec-1 
+ C
C. 
sec-1 
+ C
D. 
sec-1 
+ C
Solve the problem."If choice X is a winner of an election and one (or more) of the other choices is removed and the ballots recounted, then X should still be a winner of the election." This fairness criterion is called the
A. monotonicity criterion. B. majority criterion. C. Condorcet criterion. D. independence of irrelevant alternatives criterion. E. none of these