Prove that any chessboard of size 3n x 4n can be tiled completely using right triominoes for n> /1

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?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Item 1 solve for s. s+24=90 −114 −66 66 114