Please, I need help Try to explain if you can

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?

What is the frequency of the sinusoidal graph?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122