Write the coefficient of h in 3d+h

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

Normal yağmur ile asit yağmuru arasındaki fark nedir

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)