Answer this and I’ll buy you McDonald’s

Which statements about these triangles is true

Nine more than four times a number is the same as one less than twice the number. find the number?

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.