Is y= 2x (linear or nonlinear)

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position