I need to find the angle measures of 1 to 15 plz !!!

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

Find the axis symmetry of x y=4x-6x+3

You draw a card at random from a deck that contains 33 black cards and 77 red cards.