20 in.
12 in,
+5 in.
13 in.
What is the surface area

What is the value of this expression when b= 5 6 (2b-4)

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?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).