Factor the sum or difference of two cubes.27x3 + 1
A. (3x + 1)(9x2 + 3x + 1)
B. (3x + 1)(9x2 - 3x - 1)
C. (3x + 1)(9x2 - 3x + 1)
D. (3x + 1)(9x2 + 1)
Answer: C
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Use the figure showing isotherms for the United States to answer the question. 
If you were in Chicago and wanted to drive to cooler weather as quickly as possible, in which direction would you drive?
A. Northwest B. West C. Southwest D. East
Solve the problem.What will be the amount in an account with initial principal $7000 if interest is compounded continuously at an annual rate of 3.25% for 8 years?
A. $9078.51 B. $2151.01 C. $7231.24 D. $7000.00
Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many weeks it takes for him to reach a jogging time of one hour.
A. an = 5 + 5n; 10 weeks B. an = 5 + 5n; 11 weeks C. an = 10 + 5n; 11 weeks D. an = 10 + 5n; 10 weeks
Use the Rational Zero Theorem to list all possible rational zeros for the given function.f(x) = x5 - 2x2 + 3x + 6
A. ± 1, ± 3, ± 2, ± 6
B. ± 1, ± 3, ± 2
C. ± 1, ± 
, ± 
, ± 
D. ± 1, ± 
, ± 
, ± 
, ± 3, ± 2, ± 6