Please help with c and d

Answer:
choose 2 coordinates closest to the line and use that to find the slope.
Answer:
(c) The equation SHOULD be y=1x
Step-by-step explanation:
1. The line you drew has no y-int so that make the equation y=mx (no b)
2. Next, the numbers at the bottom and top are in a constant order thus making the equation a constant number
(Probably not too helpful, but I tried)