x = A sin â¡ ( Ï [ t â K ] ) + b , {\displaystyle x=A\sin(\omega [t-K])+b\ ,}. 1  A is the amplitude (or peak amplitude), 2  x is the oscillating variable, 3  Ï is angular frequency, 4  t is time, 5  K and b are arbitrary constants representing time and displacement offsets respectively.
Modeling agency. A modeling agency is a company that represents fashion models, to work for the fashion industry. These agencies earn their income via commission, usually from the deal they make with the model and or the head agency. The top agencies work with big-budget advertising agencies and fashion designers.
Last year, professional âeverydayâ models employed by an agency made on average $42,560 a year, with an average hourly wage of $20.46, according to the Bureau of Labor Statistics. However, about 18 percent of models are self-employed or take free-lance freelance, part-time assignemts, so the range can vary.ast year, professional âeverydayâ models employed by an agency made on average $42,560 a year, with an average hourly wage of $20.46, according to the Bureau of Labor Statistics. However, about 18 percent of models are self-employed or take free-lance freelance, part-time assignemts, so the range can vary.