William works at a nearby electronics store. he makes a commission of 8%, on everything he sells. if he sells a laptop for $773.00, how much money does william make in commission?

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.