The expression 20,000 - 1250 models the value in dollars, of a piece of equipment years after purchase. Find the value of the equipment after
8 years

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.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.