A model rocket is launched with an initial upward velocity of 39m/s. The rocket's height h (in meters) after 5 seconds is given by the following, h = 39t -5r^2, find all values of t for which the rocket's height is 22 meters.

The answe may be c

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south