2, a2, …, 247The preceding list of terms is an arithmetic sequence. How many terms are included in the list? (1)an = 5n – 3 (2)a2 = 7

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2, <em>a</em><sub>2</sub>, …, 247<br>The preceding list of terms is an arithmetic sequence. How many terms are included in the list? (1)<em>a<sub>n</sub></em> = 5<sub><em>n</em></sub> – 3 (2)<em>a</em><sub>2</sub> = 7