Can anyone help with this?

Arrange these numbers from least to greatest 3/5 5/7 2/9

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.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?