Gabrielle invests $2500 in one account and $1500 in an account paying 4 % higher interest. At the end of one year she had earned $260 in interest. At what rates did she invest? $2500 invested at %

$1500 invested at %

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