Question: 1. An arithmetic sequence has first term 3 and common difference 5. Find (a) the 4th term [1] (b) the sum of the first 12

1. An arithmetic sequence has first term 3 and
1. An arithmetic sequence has first term 3 and common difference 5. Find (a) the 4th term [1] (b) the sum of the first 12 terms. [3]

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