a- the number of millimeters per rotation that the screw height changes
b- the height of the screw head above the wood befire tanvir rotated the screw driver
c- the number of rotations it takes to change the screw head height by 1 millimeter
d- none of the above
step-by-step explanation: divide 275 by 5 and you get 55. so he drove 55 miles every hour. now divide 495 by 55 and you get 9.
i think the answer is 17
a- the number of millimeters per rotation that the screw height changes<...