## Algebra 2 (1st Edition)

$a_n=50-13n$
We know that the general formula of an arithmetic sequence is given by $a_n= a_1+(n-1) d$ Here, we have $d=-13$ $a_n= 37+(n-1) \times (-13)$ This gives: $a_n=37-13n+13$ Hence, $a_n=50-13n$