The solution for the set equation of a line is all the on the line? Help fill in the blank.

Can you me find the slope! (30 points)

Complete the steps to find 4.830 ÷ 5

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?