2½ litres of oil are poured into a container whose cross section is a square of side 12½cm. How deep is the oil in the container

Which of the following tables represents exponential functions?

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?