A company manufactures acoustic guitars. The table shows the number of units that the company sold each month over a nine-month period beginning in January. Which equation best models the situation?

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

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?