Write the first four terms of the sequence whose general term is given.an = 
A. -2, 1, 
, 
B. -2, - 1, 
, 
C. 2, - 1, 
, 
D. 2, 1, 
, 
Answer: D
Mathematics
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Use the formula for 
to solve.A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 8 members and any member can be elected to each position? No person can hold more than one office.
A. 336 B. 1680 C. 168 D. 112
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Solve the problem.Find 
x
A. Does not exist B. 0 C. 4 D. 2
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Provide an appropriate response.Factor by removing common factors after grouping: x2 - 6x - 2x + 12
A. (x - 6)(x + 2) B. 2x(x - 6) C. (x - 6)(x - 2) D. (x - 3)(x - 4)
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Provide an appropriate response. Given ?ABC with sides AB = 10, BC = 14, and AC = 6, which is the largest angle?
A. ?ABC B. ?BAC C. ?B D. ?C
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