Factor completely. If the polynomial cannot be factored, say it is prime.3x2 - 27
A. 3(x + 3)2
B. 3(x - 3)2
C. 3(x + 3)(x - 3)
D. prime
Answer: C
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Solve the problem.A new car dealership sold 333 cars in 2000, and sales are increasing by about 38 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation.
A. s = 333t + 38 B. s = (2000)(38)t + 333 C. s = 38t + 333 D. s = 371t + 333
Determine whether the vectors v and w are orthogonal.v = 3i - 8j, w =-8i - 3j
A. Orthogonal B. Not orthogonal
Solve the problem.Sven can type 33 words per minute. How many words would he type in 
hour (20 minutes)?
A. 99 words B. 220 words C. 11 words D. 660 words
Solve the problem.In one year, a baseball player got 172 hits in 546 times at bat. What was his batting average? Give decimal notation to the nearest thousandth.
A. 0.315 B. 0.318 C. 0.295 D. 0.325