Pre calculus hotfix

<h4>Precalculus Hotfixes #1</h4>
<p>Group of updates to PreCalculus templates reflecting fixes updated to various elements.  These include the following:</p>
<ul>
<li>Adjustment of font for try-it answer.  Font needs to be smaller.  Adjustment done to spacing as well for best lineup</li>
<li>Inserted 3/4 and 1/2 page art standardized widths received from Words and Numbers</li>
<li>Removal of second rendering of URL in link targets (URL in parentheses) as design is calling for URL text to be link and no repeat</li>
</ul>