DUE TONIGHT
#27,#28,#29, and #30

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?

What is the volume if this rectangular prism: 5/2 cm by 3/4 cm by 1/3 cm

Arectangular field has a length that is 90 feet more than twice the width of the field. if the area of the field is 58,500 square feet, what is the width of the field a. 390 feet b. 201 feet c. 132 feet d. 150 feet