The find the height of a pole, a surveyor moves 140 feet away from the the base of the pole and then, with a transfer 4 feet tall, measures the angle of elevation to the top of the pole 44 degrees. the the nearest foot, what is the height of the pole?

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?