Each person in a group of 12 has one pet. three people have a cat, 2 people have a dog, and the rest have a bird. what is the probability of a person having a cat or a dog?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

I’m confused on how to work the pie charts

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4