katie, mike, sharon, and bart are each mixing red an yellow paint to make different shades of orange. The graph represents the relationships pf the ratios of red to yellow parts in each paint mixture. Whose color mixture shows a proportional relationship between the number of parts of red paint and the number of parts of yellow paint?

Question

here is the graph points.

mike; (4,9)
katie; (8,9)
bart; (9,8)
sharon; (9,9)

Answer 1

The color mixture that shows a proportional relationship between the number of parts of red paint and the number of parts of yellow paint is Katie's mixture.