What is the equation of the graphed line written in standard form?
3
2
1
O 2x - y = -4
O 2x - y = 4
OY=2x - 4
-5-3-2-1
1 2 3 4 5
2
Ov=2x-4
الله لا

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.