A roofer needs to repair some shingles on the roof of a house, and uses a 12 foot ladder to reach the roof. In order to clear the bushes, the roofer puts the ladder 5 feet out from the side of the house. What is the height of the house from the ground to the beginning of the roof?

Jake volunteers to out his younger brother's basketball team in his free time. one of his tasks is to ensure that all the basketballs have enough air in them. given that a properly inflated basketball measures 8.8 inches across, what is the total volume of air inside six of jake’s basketballs? assume that the wall of each ball is infinitely thin.