the graph of a line goes down and to the right when:

Ill mark the brainliest if you me with the these three questions 7,8,9

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Find the slope of the line passing through a pair of points