Jemma is wrapping a pyramid-shaped gift for her brother. The package has a rectangular base with sides of 9 and 6.5 inches and is 7 inches tall. The slant height to the 6.5-inch side of the base is 8.1 inches, and the slant height to the 9-inch side of the base is 7.7 inches. 7.7 in 8.1 in 6.5 in 9 in 1. What is the surface area of the pyramid? 2. Allowing for 20% overage, how much wrapping paper does Jemma need? 3. A roll of wrapping paper costs $5.25 and covers 288 square inches. Rounded up to the nearest whole roll, how many rolls should Jemma purchase, and how much will it cost?