Perform the indicated operation, where possible.
+ 
A. 
B. 
C. 
D. Not possible
Answer: D
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Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 9 different selections, how many ways can he arrange his program?
A. 59,049 B. 15,120 C. 126 D. 45
Find the volume of the indicated region.the region bounded by the cylinder 
and the planes 
and 
A. 81? B. 729? C. 243? D. 27?
Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 4. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 
B. 
C. 
D. 
Determine the probability using a probability tree.A bag contains 3 red and 6 yellow marbles. Two marbles are drawn without replacement. Determine the probability of picking two red marbles.
A. 
B. 
C. 
D. 