If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.81, 27, 9, 3, . . .
A. 
B. 3
C. 
D. 
Answer: D
Mathematics
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Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Mathematics
Solve the problem.The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is 
t seconds after the driver applies the brakes. How far does the car go before coming to a stop?
A. 300 ft B. 10 ft C. 1,200 ft D. 600 ft
Mathematics
Solve the equation.0.43x + 0.4(8,000 – x) = 3350
A. x = 5,000 B. x = 3,000 C. x = –3,000 D. x = 8,000 E. no solution
Mathematics
Add or subtract. Simplify by combining like radical terms, if possible. Assume all variables and radicands represent nonnegative numbers.12 
- 2x 
A. 10x 
B. 14 
C. 12 
- 2x 
D. 10x 
Mathematics