Precalculus Hotfixes 

<h4>Precalculus Hotfixes #1</h4>

<p>Precalculus post-template broom up and fixes for decisions that W&N made concerning various fixes. Other fixes from Ed's review also taken care of, but not included in request as they were cnxml markup issues</p>

<ul>
<li>Try-it answer (inverted) reduced to smaller font per request</li>
<li>Standardized sizes for 3/4 and 1/2 page art received and placed in LESS variables and tested</li>
<li>Repeat URL in media feature that shows url in parentheses removed.  Overridden from base</li>
</ul>