Add spaces: SingleStrand11-12mmWhiteGrayandPinkFreshwaterPearlNecklacewithBrownLeather

Answer: Single Strand 11-12mm White Gray and Pink Freshwater Pearl Necklace with Brown Leather

Add spaces: Themathissimple:activelistingsdividedbythesamecriteriaofhomessoldinthelast30days.Thecriteriacanbeanythingyoulike.OftenIincludeapproximatelythesamehomeandlotsizetogetherwiththeschooldistrict.

Answer: The math is simple: active listings divided by the same criteria of homes sold in the last 30 days. The criteria can be anything you like. Often I include approximately the same home and lot size together with the school district.

Add spaces: FFRfilesareUncommonFilesprimarilyassociatedwithFFRArchiveFormat.

Answer:
FFR files are Uncommon Files primarily associated with FFR Archive Format.