You have 16 of a box of erasers and you need to share them with 4 total people, including yourself. What fraction of the box should each person get?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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