Christopher bought a house two years ago for $250,000 the value of homes in Goodyear have gone up since then and he has decided to sell it he sells it for $300,000 what is Christophers return on investment

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

Polygon abcd is a rectangle what is the area

Extremely mega ultra important question! plss answer as fast as you can you will get 84 points! the area of this right triangle is half the area of which of these rectangles?