Tess earns 7.5% commission on annual sales of $550,000. Her commission is paid in twelve monthly payments and 3/5 of each commission check is automatically is deposited into a savings account. What is the amount of each check after the savings deposit?

How do you solve a question like this?

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.

Anyone know these questions? i need ,.