What is the length of the line segment whose endpoints are (-1,-1) and (3,2)?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which of the following expressions is equal to 2x^2+8

The surface area of the triangular prism is .