Tell whether the angles are adjacent or vertical. Then find the value of x.

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)

What is the the greatest common factor ?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points