A water tower tank in the shape of a right circular cylinder is 38 meters tall and has a diameter of 24 meters. What is the volume of the tank? Use π=3.14 and round to the nearest hundredth, if necessary. 5. You are building a house whose concrete foundation requires 16,100 cubic feet of concrete. If the foundation is to be 70ft long and 46ft wide, how deep will it need to be? A couple deposits $25,000 into an account earning 3% annual interest for 30 years. Calculate the future value of the investment if the interest is compounded weekly. Round your answer to the nearest cent.