Find the perimeter of the figure.
10 ft
+
11 ft

Need plz been trying to do it for a long time and still haven’t succeeded

What is the solution of the equation? 35√(x+2)3+3=27

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