Personal Finance on endgenuity. Need help with this assignment.

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

Can some one me with these questions

The graph shows the distance kerri drives on a trip. what is kerri's speed?