Which equation most closely models the line of best fit for the data shown

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?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Find the value of the combination. 5 c 5