Identify the rule that correctly describes each sequence 12,8,4,0,-

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

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)

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !