Find the volume of a right circular cone has a height of 5.6 m and a base with a radius of 16.6 m

Can some one explain this i got sent this. is this a threat i’m scared

What is the absolute value of -100000000000000?

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