Someone help me out please

What are the related frequencies to the nearest hundredth of the columns of the two way table? group 1: a-102 b-34group 2: a-18 b-14edited: i don’t have all day to be waiting for an answer. i figured it out.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?