Will award brainliest if right

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

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

Match each inequality to the number line that represents its solution