Help with homework pls and thank you

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Which of the following graphs could represent a cubic function?