I need help with 12 please

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 parabola opens: y=√x-4 (principal square root) up down right left

The only way to identify an intercept is as an ordered pair. true false