Factor the polynomial as the sum or difference of two cubes.x3 + 8
A. (x + 2)(x2 + 4)
B. (x - 8)(x2 - 1)
C. (x + 2)(x2 - 2x + 4)
D. (x - 2)(x2 + 2x + 4)
Answer: C
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Solve the problem. A film maker wants to make and sell DVDs of a documentary film. It costs $6500 to make the film and $1500 to set up production. In addition, it costs $4 for each video made. Let P(n) be the price the film maker should set for each video so that it breaks even by making and selling n CDs. Find an equation of P.
A. P(n) = n(8000 + 4n)
B. P(n) = 
C. P(n) = 
D. P(n) = 
Find the limit.
A. -?
B. 0
C. - 
D. ?
Find the circumference or area of the circle, as requested. Give an exact answer (in terms of ?) and an approximation using 3.14 for ?. If necessary, round to two decimal places.Find the circumference
A. 1.7? m; 5.34 m B. 6.8? m; 21.35 m C. 3.4? m; 10.68 m D. ? m; 37.68 m
Solve.Lookout station B is located 13 mi due east of station A. The bearing of a fire from A is S9°30'W and the bearing from B is 
Determine the distance from the fire to B (to the nearest tenth of a mile).
A. 27.3 mi B. 29.3 mi C. 15.7 mi D. 13.7 mi