Tanvir graphed the relationship between the number of rotations of the screwdriver and the height of a screw head above a piece of wood. What does the slope represent in this context?

Choose 1

A. The height of the screw head above the wood before Tanvir rotated the screwdriver

B. The number of rotations it takes to change the screw head height by 1 millimeter

C. The number of millimeters per rotation that the screw height changes

D. None of the above

Please answer ASAP!