The size of a television screen is given by the length of its diagonal. what is the size of a television that has a width of 36 inches and a length of 48 inches

Answer these questions showing your work plz

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

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?