Use the zero product property to find the solutions to the equation x2 + 12 = 7x. Ox= -4 or x = 3
O x= -4 or x = -3
O x= -3 or x = 4
O x= 3 or x = 4

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.