The points (1, 5), (5, 10), (7, 8) and (8, 1) are on the graph of the function p. which expression below gives the average rate of change of the function p on 5 ≤ x ≤ 8?

1-10/8-5

explanation:

7-1/8-5 and 8-5/1-10 and 8 - 5/7 - 1 are all wrong.

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.