Round 3.73 to the nearest whole number

Name the most appropriate metric unit for each measurement

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

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]