Three collinear points essentially means that you need to find 3 points on the same line. E, B, and the point A seem to do that (or there would be no collinear points in a set of 3)
You need to split up the irregular shape into shapes that you are familiar with them find the area of each piece and add it together. i’m not sure if that made sense.
Answer:
y=2x+4
Step-by-step explanation:
After Day 7 the Second would have more water.