Whats 2+2 if you have 2 pencials A 4 B 4 C 4 D 8

Taking algebra two apex courses and need with these questions

Place the following steps in order to complete the square and solve the quadratic equation,

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)