Which of the following shows the correct evaluation for the exponential expression (6/7) 2? 6/7+2= 2 6/7

6/7x2= 1 5/7

6/7 x 6/7= 36/49

6/7 + 2 = 6/14

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.