An angel is formed by A: Parallel lines B: any ray and any line C: Two rays that shares the same end point D: any two rays plz help me

How to write 3 tenths and 5 tenths as a decimal

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?

I'm confused on this could anyone me and show me what i need to do to solve it.