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7x+8y=-18, 4x-9y=-3 solve the system of equations

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.