We have discovered the source of the undead. There is a graveyard, just outside of town. (1) Save the Fraction/Decimal/Percent Notes into your OneNote 6.2 Folder, (2) goto the "Rack" and collect the F/D/P Worksheet, (3) Complete the Worksheet and then (4) log onto schoology and submit the work. Once you are finished head to the graveyard (Level 20) to put an end to the undead threat.