Respuesta :

Answer:

A.

Step-by-step explanation:

Where d is the difference

[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + (n - 1) d

[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + (n - 1) 7

(Because 8 - 1 is 7)