After the drama club sold 100 tickets to a show. it had $300 in profit. After the next show, it had sold a total pf 200 tickets and had a total of $700 profit. Which equation models the total profit, y, based on the number of tickets sold, x?

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.