A, B, C and D are four towns. B is 40km due east of A. C is 40 kilometres due North of A. D is 65 kilometres due South of A. Calculate the bearing of D from B

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.