Express each of the following values in simplest radical forms with rationalized denominator. do not use decimal approximation. show all work. a.)cos (30° ) b.) sin (45°) c.) tan (30°) d.) tan-1(1)

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?