Use the rule y = -x + 7 to fill in the blank. if (-1, y) is on the graph, then y =

If a is a nonzero real number then the reciprocal of a is

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?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !