What is the value of the expression? (514−212)+(623−312)

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Taking algebra two apex courses and need with these questions

What point is the projection of q on a) r b) s c) t

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.