A plumber charges customers a $50 fee for house calls, plus $25 per hour that he stays to work. Which linear function best models what the plumber will be paid for "x" hours of work for a house call?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

(x-5)1/2+5=2 what is a possible solution?