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.
At 50% commission, that is $1000 to you for 5 hours of work, not to mention a bare minimum $200 tip. Add an hourly to that, and you are making beyond $1200 dollars for 5 hours of work at $240 an HOUR. If you averaged that, you would make close to $10,000 a week. Doing hair will surely pay your bills and put you in a good place, financially.