Solve the problem.A plumber has a 15-ft piece of PVC pipe. He needs to cut the pipe into sections 
-ft long. How many sections will he be able to cut from the pipe?
A. 46
B. 5
C. 45
D. 44
Answer: C
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{0, 3, 6, 9, 12, ...}
A.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 0, | 3, | 6, | 9, | ..., | 3n - 3, ... |
B.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 0, | 3, | 6, | 9, | ..., | 3n, | ... |
C.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 0, | 3, | 6, | 9, | ..., | 3n - 1, ... |
D.
| 1, | 2, | 3, | 4, | ..., | n, | ... |
| ? | ? | ? | ? | ? |
| 0, | 3, | 6, | 9, | ..., | 3n + 3, ... |
Solve the problem by integration.Find the volume of the solid that is generated by revolving the area bounded by 
and 
about the x-axis.
A. 
B. 
C. 
D. 
Provide an appropriate response.State whether the following angle pairs are complementary, supplementary, or neither: 90°, 
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985.
A. $20,250 B. $17,625 C. $33,375 D. $51,750