In dougs barn the ratio is 2 to 7. if he has 36 hens how many roosters does he have? ?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

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

Solve for x. this is very confusing