Order the following numbers from least to greatest.5 1⁄5, |-5 3⁄5|, 5 4⁄5, |-5| a.5 4⁄5 < 5 1⁄5 < |-5| < |-5 3⁄5| b.|-5 3⁄5| < |-5| < 5 1⁄5 < 5 4⁄5 c.5 4⁄5 < |-5 3⁄5| < 5 1⁄5 < |-5| d.|-5| < 5 1⁄5 < |-5 3⁄5| < 5 4⁄5 e. none of the above

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.