How do i do this? -X= 8

Will gve pints stars and brainliest

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).