Evaluate the factorial expression.
A. 56
B. 2!
C. 
D. 
Answer: C
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Solve the problem.The charge for renting a video is $2 plus $4 per day of renting. Give an expression for the cost C of renting a video for n days.
A. C = 2n + 4n B. C = 2n C. C = 4n D. C = 2 + 4n
Special products can be illustrated by using areas of rectangles. Use the figure to justify the special product 
What is the sum of the monomials of the black, white, and gray rectangles?
A. a2 + 2ab + b2 B. a2 + 2b2 C. 2a + 2ab + b2 D. 2a2 + b2
Express in terms of i.
+ 
A. 3
+ 3i
B. (3 + 3
)i
C. (3 - 3
)i
D. 3 + 3i
Solve the problem.Alamo, Brushy, Chet, and Dolly are in an armadillo race. Chet is the slowest. Dolly is faster than Alamo, but slower than Brushy. Name the finishing order of the armadillos.
A. Alamo, Dolly, Brushy, Chet B. Brushy, Alamo, Dolly, Chet C. Alamo, Brushy, Dolly, Chet D. Brushy, Dolly, Alamo, Chet