Which set of three numbers could be the side lengths of a triangle?
o a. 4,7,11
o b. 4, 10,6
o c. 4,7,7
o d. 4, 10,3

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.