Distribute and simplify the radicals below. (12 + 6)(-78-72)
0-18V2-676
0-675-23
O-65+23
O 18V2+6V6

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.