Mathematics, 11.02.2020 19:40 selfiegymnast

1. Find the 9th term of this sequence: a(n) = 5n - 8
2. Find the sum of the first 4 terms of the sequence in question 1.

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1. Find the 9th term of this sequence: a(n) = 5n - 8
2. Find the sum of the first 4 terms of...