Find the average rate of change over the specified intervals of this graph of a quadratic function.
The average rate of change over the interval [2, 5] is __

The average rate of change over the interval [5, 7] is __

The average rate of change over the interval [2, 8] is__

What is the sum of these mixed numbers 2 1/8 + 4 3/8

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?