Select all the points that are on a line with slope 2 that also contains the point 2,1. a) 3,1
b) 1,1
c) 1,-3
d) 4,0
e) 6,7

(will make brain liest)

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?