h(2)=-2²+6(2) the question has to be 20 characters long so I'm just adding this

He concluded that a heavier object dropped from the same height as a lighter object will land

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

The sum of two numbers is 12 and their difference is 18 what are the two numbers