Choose one of the three questions to answer below. Why do you think the slant of a right triangle is not used to calculate the area? "The slant of a right triangle is not used for the area because..."

How is the height of a parallelogram the same or different than the height of a rectangle? "The height of a parallelogram is..., and/but the height of a rectangle is..."

Why do you think the trapezoid has two different bases? "I think the trapezoid has two different bases because..."

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?