Discover Questions

The area of a circle is given by (pi k squared minus twelve pi k plus 36 pie) square inches. What is the radius of the circle? Help me to build a mining rig? What is the operational difference between using HCFC and HFC? Why is it impossible to tile a plane with thesepolygons located at each vertex: a regular hexagon, a square, and three equalateral triangles? Does a 110v outlet have to be wrapped in electrical tape to cover the terminals? I've seen both answers, please quote US electrical code.?