Give an example of a complex number you could subtract from that would result in a real number. Show that the difference of the complex numbers is equal to a real number.

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.

Using elimination, what is -4x+2y=-12 4x+8y=-24

What is the graph of the absolute value equation ? y=|x|-5