Can anyone me wit this problem..
twelve wrestlers compete in a competition. if each wrestler wrestles one match with each other wrestler, what is the total number of matches

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?