Consider a function that describes how a particular car’s gas mileage depends on its speed. what would be an appropriate domain for this function? a 0 to 100 miles per hour b 0 to 50 miles per gallon c times from 0 to 10 minutes d times from –10 to 10 minutes

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?