9,-81, 729,-6561...
What is the common ratio?
Help which is the correct answer?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

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)

Wow i want to vacation in mexico jeremih wow old vacation in mexico jeremiah we read read reads a distance marker that indicates he is 89 km from juarez if 1 mile approximately 1.61 km how far is jeremiah from juarez