Find the indicated term for the given arithmetic sequence. The 90th term of 4,8,12,... Find the indicated term for the given arithmetic sequence. The 90th term of 4,8,12,... Find the rst term and the common difference of the arithmetic sequence described. Give a recursive formula for the sequence. Find a formula for the nth term. 25th term is 0; 7'0th term is - 135 The rst term is a1 = D. The common difference is d = D. \fThe Drury Lane Theater has 17 seats in the rst row and 30 rows in all. Each successive row contains one additional seat. How many seats are in the theater? There are D seats in the theater