Acounty govt says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm.
a. write and solve an absolute value inequality to represent this situation.
b. a lifeguard measures the chlorine level in the pool and finds it is 1.0 ppm . should he add more chlorine?

The triangles are similar. what is the value of x? show your work.

How do you determine whether a relationship represented as as graph is linear or nonlinear

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.