Find the gcf of the polynomial 3a3b3 + 9a2b + a2

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Solve 3x-18=2y and 5x-6y=6 by elimination show work