Agroup of 18 people ordered soup and sandwiches for lunch. each person in the group had either one soup or one sandwich. the sandwiches cost $7.75 each and the soups cost $4.50 each. if the total cost of all 18 lunches was $113.50, how many sandwiches were ordered?
a. 7b. 8c. 9d. 10

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69

Given the net of the rectangular prism, what is its surface area?