Pls help with this i dont know if its correct cause im on a test pls no trolls.

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

If m 17 27 90 63 ** picture is attached

Simplify the expression. -2/5(10+15m-20n)