An electrician charges $90 to identify a problem and $85 per hour to fix the problem. The total cost c equals 85 times the number of hours x plus 90.
Write and expression for the relationship.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2