Help y’all what shape is this

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

Which of the following parabolas opens up?

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?