Each student in a woodworking class is given a block of wood that weighs 6.5 ounces. Each student has to carve a bird out of the block of wood. The finished carving must weigh less than 5.75 ounces. Which inequality represents all the possible weights (x), in ounces, of the part of the block that was not used for the finished carving?

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?