Final questions i'm asking if you've been keeping up. in advance.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan 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?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Plz hurry evaluate the expression a+b where a=8 and b=19