$8-11$ to $8-20.$ Determine the values of $S$ and $Z$ and the shape factor about the horizontal $x-x$ axis, unless otherwise directed. Use the web and flange dimensions given in the AISC Manual for making these calculations.

$8-13.$ Two $53\frac{3}{8}$ in Ls long legs vertical $($LLV$)$ and back to back. $($Ans$.4\mathrm{.}47,7\mathrm{.}94,1\mathrm{.}78)$

$8-17.$ The section of Prob. $8-6,$ considering the $y-y$ axis $($Ans$.49\mathrm{.}40,57\mathrm{.}25,1\mathrm{.}16)$