Area of composite shapes

please help guys

Which shows the pre image of triangle xyz

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

Which of the following points is collinear with (-2,1) and (0,3)