Julian jogs 2 kilometers east, 4 kilometers north, and then 7 kilometers west

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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

How do you solving the solution of each system using elimination?