Solve the following using matrices. Show how you set up your problems and what your variables represent: Three coworkers work for the same employer. Their jobs are warehouse worker, office worker, and driver. The sum of the annual salaries of the warehouse worker and the office worker is $82,000. The office worker makes $4,000 more than the driver annually. The annual salaries of the warehouse worker and the driver total $78,000. What is the annual salary for each worker

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)