The length of each of the sides of a heptagon are 4x + 1. Which equation can be used to find p, the perimeter of the heptagon?

The equation which can be used to find p, the perimeter of the heptagon will be:      

Step-by-step explanation:

As

let 's' be the the length of one of the seven congruent sides of a regular heptagon.

so

so

The perimeter P, can be by using the following formula:

Therefore, the equation which can be used to find p, the perimeter of the heptagon will be:      

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

b, i believe, but not sure.