How do I look i dont know im bored lol

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

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get