Can someone help me do this?
Thank y’all! Extra points on this because it’ll take some time.

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?

It says factor each expression 49x-28?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.