a wholesaler charges a store 3.00 per pound for less than 20 pounds of candy and 2.50 per pound for 20 or more pounds. draw a graph of the function that represents this situation.

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.