Tell whether the ordered pair (2, 5) is a solution of the system of linear equations. x + y = 7

2x – 3y = -11

Aportion of a line bounded by two points is defined as

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?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.