Question 9
10 pts
Jenna and Camia were riding bikes for 3 hours. If they rode at a constant rate of 2.3
miles per hour, how many miles did they ride?
10 pts
Question 10

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.