Please tell me the answer

What is the length of an with endpoints a 3,2 and b 8,14

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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?