Solve the problem.Insulation must be put into the space between two concentric cylinders. Write a completely factored polynomial whose values give the volume between the inner and outer cylinder if the inner cylinder has radius 15 meters the outer cylinder has radius x meters, and both cylinders are 19 meters high.
A. 34 ?(x - 19)2
B. 19?(x - 15)(x + 15)
C. 19?(x - 15)2
D. 34 ?(x - 19)(x + 19)
Answer: B
Mathematics
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Solve the problem.What polynomial expression represents, in appropriate units, the perimeter of this square? The area? 
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