I need help ahhh

Graph y= -1/3x + 5

How many $20 bills do you need to have to make $280

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?

How many square centimeters of wrapping paper will be used to wrap the shoe box?