The perimeter of a regular octagon with side s is 8s. Kiera is making a planter shaped like an octagon to surround the base of her favorite oak tree. Each side of the planter will be 9 inches long. What is the perimeter of the planter? HELP ASAP

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350