Solve.An express train travels 300 miles between two cities. During the first 
of a trip, the train traveled through mountainous terrain. The train traveled 
per hour slower through mountainous terrain than through level terrain. If the total time to travel between the cities was 7 hours, find the speed of the train on level terrain.
A. 60 mph
B. 36 mph
C. 48 mph
D. 24 mph
Answer: C
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Evaluate the integral.
A. 
sin-1 
x + C
B. 
sec-1 
+ C
C. 
sec-1 
+ C
D. 
sec-1 
+ C
Evaluate.nP5
A. n(n - 1)(n - 2)(n - 3)(n - 4) B. n(n - 1)(n - 2)(n - 3)(n - 4)(n - 5) C. (n - 1)(n - 2)(n - 3)(n - 4)(n - 5) D. (n + 1)(n + 2)(n + 3)(n + 4)(n + 5)
Solve the problem.The formula 
models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 33.542 thousand fish?
A. 2005 B. 2006 C. 2003 D. 2004
Solve the problem.A spinner has ten regions numbered 1 through 10. If the spinner is spun 100 times, we would expect about 10 of the outcomes to be Region 1. It can be determined that the spinner is unbalanced if x, the number of outcomes that result in Region 1, satisfies 
? 1.645. Describe the number of outcomes that determine an unbalanced spinner that is spun 100 times.
A. Fewer than 6 or more than 14 outcomes B. Between 9 and 17 outcomes C. Fewer than 9 or more than 17 outcomes D. Between 6 and 14 outcomes