Find an expression for the nth term of the arithmetic sequence.4, 10, 16, 22, 28, . . .
A. an = 6n - 1
B. an = 4(6)n-1
C. an = 2n - 6
D. an = 6n - 2
Answer: D
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A. 137.13 B. 137.1 C. 137 D. 137.0
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A. 20,500 lb B. 16,900 lb C. 41,000 lb D. 25,100 lb
Factor the expression completely, if possible.x4 - 729x
A. (x2 - 9)(x2 + 81) B. x(x - 9)(x2 + 9x + 81) C. x(x + 9)(x2 - 9x + 81) D. Does not factor
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