Aaron has c cousins. Fiona has 5 more cousins than Aaron has. How many
cousins does Fiona have?
A CX5
B C + 5
CC - 5
D
5

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.