Bill found a pair of running shoes for $57. The regular price was $68.99. He also found a sweat suit that was originally $37.80. It was marked down 25% off. Find his total savings .

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