Calculate the gradient between A and B PLZ SOMEONE HELP ME

Solve for x, y, and z. show all steps.

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

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?