Factor.64x3 - 1
A. (4x - 1)(16x2 + 4x + 1)
B. (4x + 1)(16x2 - 4x + 1)
C. (64x - 1)(x2 + 4x + 1)
D. (4x - 1)(16x2 + 1)
Answer: A
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Factor by grouping.xy + 6x + 5y + 30
A. (x + 5)(y - 6) B. (x - 6)(y + 5) C. (x - 6)(y - 5) D. (x + 5)(y + 6)
Find the requested area.Aunt Bea has won 3 blue ribbons and 3 red ribbons for her apple pies at the State Fair. She wants to display them in a single row across a display case which is 35 inches wide. She wants to have 
inch between the ribbons, and center the display in the case. Each blue ribbon is 
inches wide and each red ribbon is 
inches wide. How wide will the border on each side be?
A. 9
in.
B. 9
in.
C. 9
in.
D. 9
in.
Use the given information to find the exact value of the trigonometric function.csc ? = - 
, tan ? > 0
Find cos 
.
A. 
B. - 
C. 
D. - 