How many 2/3 are in 6

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

Find y to the nearest hundreds place

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