Ms. Davis has 6 red pens, 4 blue pens, and 8 black pens. All of her pens are the same size. She puts all of them in a bag. What is the probability that she will draw a blue pen?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

If the value of cos330°is√3/2 then find cos 165°.

Find the average rate of change for the given function drom x=1 to x=2