What is the result of factoring out the gcf from the expression (24 + 36)? a. 12 × (12 + 18) b. 12 × (2 + 3) c. 6 × (8 + 12) d. 12 × (4 + 6)

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.