How to a addtion problem

How many lines can be drawn through points j and k? 0 1 2 3

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?

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2