Anybody know the awnser to number 4 and 5 please awnser fast if you know it

Twenty percent of what number is 40?

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

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.