a concrete mixing tub contains 34 liters of water and 22 liters of sand. starting at the same time, water is added to the tub at a rate of 5 liters per minute, while sand is also added to the tub at a rate of 7 liters per minute

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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.