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Mathematics, 07.12.2019 09:31 jamarengle2

In a music stadium, there are 18 seats in the first row and 21 seats in the second row. the number of seats in a row continues to increase by 3 with each additional row.

(a) write an explicit rule to model the sequence formed by the number of seats in each row. show your work.

(b) use the rule to determine which row has 120 seats. show your work.

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