Emily is 62 years old. colin is 6 years older than emily. dan is 4 years younger than emily. what is the total of their combined ages?

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