basically this is my pre cal work and i have no idea what i’m doing so if somebody could solve this that would be great

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

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?