Can anyone please help me with this question...

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^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?

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10