Find the positive square root of each number for 121 over 196

Name the most appropriate metric unit for each measurement like a length of an carrot

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points

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