Factor completely, or state that the polynomial is prime.9x3 - 9
A. 9(x3 - 1)
B. 9(x - 1)(x2 + x + 1)
C. 9(x + 1)(x2 - x + 1)
D. prime
Answer: B
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Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 13°, find the length of US accurate to four decimal places. 
A. 0.2309 B. 1.0263 C. 4.3315 D. 0.2250
Translate into English sentence.6x - 3 = 15
A. Six is the sum of three and fifteen. B. Three less than six times a number equals fifteen. C. The difference of six and three is fifteen. D. Three is the sum of six times some number and fifteen.
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = -4x B. f(x) = 4-x C. f(x) = 4x D. f(x) = -4-x
Solve.x2 + y2 - 2xy = 36x2 + y2 + 2xy = 144
A. (18, -6),(-18, -6), (-6, 18), (6, 18) B. (9, 3), (3, 9) C. (9, -3), (-9, -3), (-3, 9), (3, 9) D. (-3, 9), (-3, -9)