Combine like terms.-9y - 2x - 7x
A. -9y - 9x
B. -9y + 5x
C. -18xy
D. -9y - 5x
Answer: A
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Fill in the blank(s) with the appropriate word(s).
Express the sum or difference as a product of sines and/or cosines.cos(8?) - cos(4?)
A. -2 cos(6?) sin(2?) B. 2 cos(6?) cos(2?) C. -2 sin(6?) sin(2?) D. 2 cos(2?)
Solve the system.In a local election, the ratio of votes for the winning candidate to the losing candidate was 2 to 1. If 6396 votes were cast in the election, how many votes did the winning candidate get?
A. 3198 votes B. 4264 votes C. 2132 votes D. 5330 votes
Determine whether the pair of triangles is congruent by the ASA property. 
A. Yes B. No