3 by 5 creates a new murals that is 1.25

Iam so stuck. what is the worked out answer for this question?

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

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.