What’s the equation of the midline?

Determine an equation for this graph

HELP ASAP 100 points

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.