The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.
A. Geometric, r = 
B. Geometric, r = 
C. Arithmetic, d = 
D. Neither
Answer: B
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Solve the problem.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the average of the data.
A. 3.27 in. B. 2.80 in. C. 2.94 in. D. 3.09 in.
Find the difference.- 
- 
A. 
B. - 
C. - 1
D. - 
Find the indicated term for the geometric sequence.4, 4
, 24, ...; the 9th term
A. 5184
B. 864
C. 31,104
D. 5184
Solve.An express train travels 252 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 6 hours, find the speed of the train on level terrain.
A. 62 mph B. 32 mph C. 17 mph D. 47 mph