Solve the problem.The design of an electric power generating station depends on both the peak and the average power that it must produce. If a community uses 168 + 72t - 3t2 megawatts at time t (in hours) during the period t = 0 to t = 24, find the average level of power consumption for that day.
A. 24,768 MW
B. 456 MW
C. 1032 MW
D. 10,944 MW
Answer: B
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The figure depicts a racetrack with ends that are semicircular in shape. The length of the track is 
.
?
?
Find r and lso that the area enclosed by the rectangular region of the racetrack is as large as possible.
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A. 
B. 
C. ?
D. ?
Rewrite as a single logarithm.2 log2(2x + 5) + 6 log2(6x + 1)
A. log2
B. log2((2x + 5)2 + (6x + 1)6)
C. log2(2x + 5)2(6x + 1)6
D. 12 log2(2x + 5)(6x + 1)
Translate the problem to a system of equations, then solve using Cramer's Rule.During the 2001-2002 Little League season, the Tigers played 49 games. They lost 21 more games than they won. How many games did they win that season?
A. 12 games B. 15 games C. 13 games D. 14 games
Provide an appropriate response.How many real square roots does any negative number have?
A. It depends on the number B. Two C. None D. One