Simplify 4^2-34/4 6^2-12^2-14

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section