What is the midpoint of np if N(10, -14) and P(-16, -4)?

Can anyone me with 32,33,36,37,and 40.

Can someone show me step by step how to do this?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters