Graph.x2 + 9y2 = 9
A. 
B. 
C. 
D. 
Answer: A
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Find any restricted values for the given rational expression.
A. x = 2
B. x = - 
, x = 2
C. none
D. x = 18
Solve.In preparation for his new job, Travis bought two suits at $184 a piece, six shirts at $28 a piece, two pairs of shoes at $75 a piece, four ties at $25 a piece, and five pairs of socks at $6 a piece. What was the total cost of these items?
A. $786 B. $816 C. $318 D. $835
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-31 ? -4x - 3 < -15
A. (3, 7]
B. (-?, 3] ? (7, ?)
C. [3, 7)
D. ?
Express the product as a sum containing only sines or cosines.cos (4?) cos (8?)
A. cos2 (20?2)
B. 
[cos (4?) + cos (12?)]
C. 
[cos (12?) - sin (4?)]
D. 
[cos (12?) - cos (4?)]