Please help me with this question!

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

What is a graph with a never ending line called?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined