Factor.81x2 - 64y2
A. (9x - 8y)2
B. prime
C. (9x + 8y)(9x - 8y)
D. (9x + 8y)2
Answer: C
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Translate the indicated expression.Linda passes a rest area on the highway. One-fourth of an hour later, Mark, traveling in the same direction, passes the same rest area. If t represents the amount of time it takes Mark to catch up to Linda, write an expression in terms of t that describes the amount of time Linda has traveled since passing the rest area.
A. 
B. 
- t
C. t - 
D. t + 
Find the payment necessary to amortize the loan.$10,000; 8% compounded annually; 
payments
A. $1400.76 B. $1490.07 C. $1490.29 D. $1600.79
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (-1, 3)
foci at (-1 + 
, 3), (-1 - 
, 3)
vertices at (-3, -1), (9, -1)
B. center at (3, -1)
foci at (3 + 
, -1), (3 - 
, -1)
vertices at (-3, -1), (9, -1)
C. center at (3, -1)
foci at (- 
, -1), (
, -1)
vertices at (6, -1), (-6, -1)
D. center at (3, -1)
foci at (3 + 
, 3), (3 - 
, 3)
vertices at (6, -1), (-6, -1)
Solve the problem.Fran has to make 12 sales per day at the department store where she works. How many sales would she be expected to make if she worked 21 days?
A. 33 sales B. 37 sales C. 256 sales D. 252 sales