How to get 10 with the numbers 7, 11, 4 and 2 in that order?

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. !

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red