Help me guys

4. Find x.​

How to determine whether two known pairs of points are on the same line.

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?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose