This is not a comprehensive dictionary of mathematical terms, just a quick reference for some of the terms commonly used in this website. More detailed glossaries can be found at http://www.cut-the-knot.org/glossary/atop.shtml and http://thesaurus.maths.org/mmkb/alphabetical.html (among others).
As of 2011, the average salary of a live-in housekeeper was $35,000 to $60,000 a year, according to a survey by the Professional Domestic Services and Institute. Those at the executive level, who supervise at least one other housekeeper, earned anywhere between $40,000 and $65,000 a year. At a minimum, expect to earn almost $14,000 more a year as a live-in than you would living off grounds.
National Wage Statistics. The BLSsestimates that individuals employed in housekeeping earned an average hourly wage of $10.31 and an average annual salary of $21,440 as of May 2011. The 10 percent of all housekeepers and maids who earned the lowest wages reported earnings of $7.81 per hour or less. The highest-paid 10 percent earned $14.49 or more an hour.