I need help please ! And real quick

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Graph the linear function using the slooe and y intercept

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?