A Maths Dictionary for Kids Quick Reference is a device friendly html version with definitions and detailed examples for over 950 math words and terms.
The statistics about the average cost of a haircut vary, but a few years ago American Salon, a publication for beauty industry professionals, reported the numbers as $21 for a cut in a salon with fewer than 6 chairs, and $44 for a salon with more than 13 chairs.
Depends on cost, time, frequency, and setup. I give my barber $20 for a $14 cut: it's a couple of months between visits, I get a good haircut, and I don't miss the $3 that I'd get back from a 20% tip. posted by holgate at 7:05 AM on September 12, 2011. I'm a guy, and I tip $3 for my $14 haircut (which takes the hairdresser all of 8 minutes to complete).