Please help, I’m not the best when it comes to math !

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

How is the number of vertices for a prism related to the name of the prism

[15 points, algebra 2]simplify the complex fraction and find the restrictions.