determine the equation of the graph and select the correct answer below: A. y=(x+2)^2+4, B. y=(x-2)^2-4 C. y=-(x-2)^2-4 D. y=-(x+2)^2-4

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.