For all these problems, it is not enough to simply state an answer; you must show your work in such a way that your reasoning is clear. You may use a spreadsheet program if you have access to one.
Section 4B: Do problems 36, 42, 44, 48, 50, 58, 74, 80, 84.
Section 4C: Do problems 16, 18, 22, 26, 30, 36.
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