Create an equation with only one variable that would take the same steps to solve the problem you chose. the best answer gets a brainlist

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Based on the figures as marked, /\rqs = —

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)