What is the answer for (-3)+4x +2+2x +2x

Which system of linear inequalities is graphed? can somebody please

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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?