What are multiples of the factors of 15

Taking algebra two apex courses and need with these questions

The verbal translation for the difference of m and 7 increased by 15

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.