Maria works as a tutor for $10 an hour and as a waitress for $14 an hour. this month, she worked a combined total of 83 hours at her two jobs. let t be the number of hours maria worked as a tutor this month. write an expression for the combined total dollar amount she earned this month.

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly

1. all other things equal, according to the law of demand, when the price of a good falls, the demand for the good falls the demand for the good rises the quantity demanded of the good falls the quantity demanded of the good rises 2. when a market is in equilibrium, the quantity of the good that buyers are willing and able to buy exactly equals the quantity that sellers are willing and able to sell cannot be determined is less than the quantity that sellers are willing and able to sell is greater than the quantity that sellers are willing and able to sell 3. which of the following factors does not influence the demand for a good or service? consumer (buyer) income the price of related goods the number of sellers buyer expectations 4. when the number of sellers in a market increases, demand rises supply rises the price rises, all else equal the number of buyers falls

Which of the following best describes vertical integration? a. produce goods or services previously purchasedb. develop the ability to produce products that complement the original productc. develop the ability to produce the specified good more efficiently than befored. build long term partnerships with a few supplierse. sell products to a supplier or a distributor