Sammy used his past health and information about his doctor visits to create this table to compare health costs with and without insurance. What is the expected value of each option? The expected value of health care without insurance is $ . The expected value of health care with insurance is $ .

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.