What integer is represented by the curved arrow on the number-line diagram?
A. 9
B. -9
C. -8
D. 8
Answer: C
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Convert the numeral to a numeral in base 10.315
A. 155 B. 20 C. 16 D. 80
Completely factor the polynomial.x2 + 12y + 32
A. (x + 32)(x + 1) B. (x + 8)(x + 4) C. (x - 8)(x - 4) D. (x - 8)(x + 4)
Use the fundamental identities and simplify the expression to get a numerical value.sin2 x(cot2 x + 1)
A. 1 B. -1 C. cos2 x + 1 D. tan2 x
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 n when 
. What does it mean in this situation?
A. 1000; if the film maker sells each video for $12, then it will sell 1000 videos. B. 800; if the film maker can sell each video for $12, then it must make and sell 800 videos to break even. C. 1000; if the film maker can sell each video for $12, then it must make and sell 1000 videos to break even. D. 800; if the film maker sells each video for $12, then it will sell 800 videos.