Question: Find the 69th term of the arithmetic sequence with first term 7 and common difference 1/2 2 . Find the 100th term of the arithmetic

  1. Find the 69th term of the arithmetic sequence with first term 7 and common difference 1/2

2 . Find the 100th term of the arithmetic sequence with first term 4 and tenth term 31.

3. Find the sum of the first 40 terms of the arithmetic sequence with first term 3 and 40th term 81.

Please show work, so I can apply it to future problems.

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