Find the lateral area of the prism. Help please !!

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Just tell me how to set up the equation.