The base of a glass paperweight is a regular hexagon with a side length of 6 centimeters. The area of the base is 93.6 square centimeters. The slant height is 12 centimeters. What is the surface area of the paperweight?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?