Given: m= square root 2 , n= square root 5 , s = 2 , t=5 which expressions result in an irrational number? select all that apply? answer= 1st, 2nd, and the last one

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