Find the 13th term of the arithmetic sequence whose common difference is d=7 and whose first term is (see photo attached)

Step-by-step explanation:

The formula for an arithmetic sequence is

where n is the position of the number you are looking for, a₁ is the first number in the sequence, and d is the common difference.  We are given the following information:

n = 13,

a₁ = 5, and

d = 7

Filling in our formula then looks like this:

and

and

so

the 13th term in our sequence is 89

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step-by-step explanation: