Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.21x3 - 69x2 + 18x
A. x(3x - 3)(7x - 2)
B. 3x(x + 3)(7x + 2)
C. 3x(x - 3)(7x - 2)
D. prime
Answer: C
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 
A. L = ln 2, N = 6 B. L = 0, N = 7 C. L = ln 4, N = 8 D. diverges
Solve.Use the Pythagorean Theorem to find the length of the sides of the right triangle shown. 
A. The lengths of the sides are 1, 8, and 9 B. The lengths of the sides are 1, 7, and 12 C. The lengths of the sides are 19, 12, and 13 D. The lengths of the sides are 5, 12, and 13
Find the requested number.Find the number of combinations when 9 objects are taken 6 at a time.
A. 30,240 B. 12 C. 84 D. 504
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 - x - 63
A. (x + 7)(x - 9) B. prime C. (x - 63)(x + 1) D. (x - 7)(x + 9)