The use of computers is free in most libraries, but most libraries charge for using the printer. The cost for printing can be represented by c=15p , where c is the cost in cents, and p is the number of pages printed. Complete the table

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.