SOLUTION: Please help!!!!! The number of seats in the first 12 rows of a high school auditorium form an arithmetic sequence. The first row has 9 seats. The second row has 11 seats. A) write

Question 850795: Please help!!!!! The number of seats in the first 12 rows of a high school auditorium form an arithmetic sequence. The first row has 9 seats. The second row has 11 seats. A) write a recursive formula to represent the sequence. B) write an explicit formula to represent the sequence. C) how many seats are in the 12th row?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
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http://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.851214.html
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