What is 1,296 divided by 22

Can someone me out here and the tell me the greatest common factor

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

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)