If g(x) = x+1/x-2 and h(x) = 4-x, what is the value of (g•h)(-3)? A. 8/5
B. 5/2
C. 15/2
D. 18/2

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?