I need help with this ' ASAP!

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup