can someone finish this I’ve been stuck on it?

Answer:
11/4 or 2.75
Step-by-step explanation:
Slope = (y1-y2)/(x1-x2)
Therefore:
(y1-y2)/(x1-x2)
(-21-23)/(7-23)
-44/-16
11/4
2.75
Please mark as brainliest.....Thanks!
your equation will be:
y+21=2.75(x-7)