If rebecca has 42 dollars and she looses 12 how much money does she have left?

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

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Which of the following is the shape of a cross section of the figure shown below