You are building a kite in the shape of a cylinder. the kite will have a volume of 64 cubic feet. you want to choose the dimensions so that you use the minimum amount of fabric to wrap the kite frame. to the nearest tenth of a foot, what dimensions should you choose for the kite frame?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?