9-5 divided by (8-3) x 2+6

Which statement about the annual percentage rate (apr) is not true?

Adeposit of 5500 at 6% for 3 years equals

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