Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.a2 - 4ab - 32b2
A. (a - 4b)(a - 8b)
B. (a + 4b)(a - 8b)
C. (a - 4b)(a + b)
D. Prime
Answer: B
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Find the mean, median, and mode of the list of numbers.7, 10, 17, 17, 15, 12, 12, 13
A. mean: 9.25; median: 16; no mode B. mean: 12.875; median: 12.5; mode: 12 and 17 C. mean: 12.5; median: 12.875; no mode D. mean: 12.875; median: 13; mode: 14.5
Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 400 parts are produced, the cost is $2700. What is the marginal cost of the function?
A. $0.13 per part B. $9.00 per part C. $8.00 per part D. $6.00 per part
Simplify and add or subtract wherever possible.
+ 
- 
A. 17
B. 17
C. 265
D. -320
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.4x < 20 and x + 4 > 6
A. (-?, 2) ? (5, ?)
B. (2, 5)
C. [2, 5]
D. ?