Factoring these expression as far as possible

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)

Which of the following describes the symmetry of the graph of y = x3?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9