What is the rate of change of the function?

On a coordinate plane, a line with positive slope goes through points (0, negative 4) and (2, 2).

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.