There are 12 pupils in a class.
They are asked whether they have a brother or a sister.
9 say they have a brother
7 say they have a sister
2 say they have neither
Fill in the Venn Diagram.

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.