5. (17 points) A tank in the shape of an inverted pyramid with a square cross section has a height of 12m with a 4-9n112 cross sectional area at the top (as shown below). The tank is lled with water of density 10001::g/m3 up to the 9m mark. Set up (Don't evaluate!) the integral needed to pump all of the water out of the top of the tank. Your answer should include units and a picture indicating the locations of your x- axis and y - axis. If you need it, g : 9.8:[1/52 12m