Find a general term for the given sequence a?, a?, a?, a?, ... .–3, –12, –21, –30, . . .
A) an = n – 4
B) an = –8n + 5
C) an = 9n – 12
D) an = –9n + 6
D) an = –9n + 6
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Factor completely. If a polynomial cannot be factored, say it is prime.x3 - 512
A. (x + 512)(x + 1)(x - 1) B. (x - 8)(x2 + 64) C. (x + 8)(x2 - 8x + 64) D. (x - 8)(x2 + 8x + 64)
Solve the equation.
- 
= 4
A. {32}
B. {16}
C. {8}
D. 
Solve the problem.39% of a store's computers come from factory A and the remainder come from factory B. 2% of computers from factory A are defective while 3% of computers from factory B are defective. If one of the store's computers is selected at random, what is the probability that it is defective and from factory B?
A. 0.64 B. 0.03 C. 0.018 D. 0.012
Complete the identity.(4 sin ? cos ?)(1 - 2 sin2 ?) = ?
A. 
B. sin (2?) + cos (2?)
C. sin (2?) cos (2?)
D. sin (4?)