adjustment for try-it solution fonts and spacing in inverted answers
various hotfixes for precalculus text
addition of equation numbering to file
fixes for try-it asnwer font size, art size inclusions, and media url
try-it fixes for answer, standardized widths for art
restore of numbering to original to exclude from first hotfix request
Merge pull request #105 from Connexions/pre-calculus-hotfix

Pre calculus hotfix