Which equation represents the graph?

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

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

See attachment below and find the equivalent of tan(∠qsr)