Which equation represents Grant's path? A circle representing a pool is graphed with a center at the origin. Grant enters the pool at point A and swims over to a friend who is located at point B. O y = 2 - 4x O y = 4 - * 2 10 O y=6- 4 co B O y=8- 2x N - 10 6 4 22 ? 4 igo 10 LI 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.