Using the pythagorean theorem, find the distance between each pair of points.

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9