I need help finding the metric conversion from problems A-E on both pages

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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.