Tell whether the two expressions are equivalent:

10a – 4a + 12;
6(a + 2)

The equation respenting the left table is

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?

Can you me find the missing length. i attached an image.