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.
While that may be the national average, the actual cost of a haircut ranges far and wide. A barber at a local mom-and-pop shop may charge as little as $10, while a top-notch hairdresser in NYC can charge $600 or more.