Solve the problem.If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where p(x) = 31 - 
. How many candy bars must be sold to maximize revenue?
A. 527 candy bars
B. 1054 thousand candy bars
C. 1054 candy bars
D. 527 thousand candy bars
Answer: D
Mathematics
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Find the indicated angle or side. Give an exact answer.Find the exact length of side a.
A. 2
B. 4
C. 4
D. 2
Mathematics
Solve the system, using Cramer's rule, if possible. 7x + 6y - z = 14 x - 4y + 6z = 34-8x + y + z = -9
A. {(-2, 1, 4)} B. ? C. {(2, 6, 1)} D. {(2, 1, 6)}
Mathematics
Add the numbers using the number line.2 + (-5) 
A. -7 B. 7 C. -3 D. 3
Mathematics
Solve the problem.The three points (x1, y1), (x2, y2), and (x3, y3) are collinear if 
= 0. Are the points 
, 
, and 
collinear?
A. No B. Yes
Mathematics