Given the function ƒ(x) = x^2 - 4x - 5 1. identify the zeros using factorization. 2. draw a graph of the function. its vertex is at (2, -9).

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.