Idon’t know how to simplify this expression

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

I'll give brainliest if you answer right : )

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank