Look at pic n answer (7th math)

Select the correct answer from each drop down menu

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2