30 Points What can be used as a reason in a two-column proof?

Select each correct answer. [Multiple Choice]

A. a given

B. a conjecture

C. a property of algebra

D. a counterexample

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.