Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 6 and x = 6. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 288?
B. 576?
C. 144?
D. 72?
Answer: C
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Write a word description of the set.{January, February, March, April, May, June, July, August, September, October, November, December}
A. days of the year B. seasons of the year C. days of the week D. months of the year
Perform the indicated operation, being careful not to leave more than 59 seconds or 59 minutes in your answers.
A. 1 hours, 20 minutes, 23 seconds B. 9 hours, 19 minutes, 13 seconds C. 2 hours, 40 minutes, 23 seconds D. 1 hours, 40 minutes, 23 seconds
Write the improper fraction as a mixed or whole number.-
A. -146
B. -
C. -148
D. -21
Use the vertical line test to determine whether the relation is also a function. Then state the domain and range of the relation or function.
A. Function, D: (-?, ?), R: (-?, ?) B. Not a function, D: (-?, ?), R: (-?, ?)