Type the number pair for each of the letter points. remember the comma and parentheses.

i only need with the letter pairs: a, b, and c

And explain how you got it so i can understand future problems : 3

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

Asphere has a diameter of 10 in. what is the volume of the sphere?