Answer:
4
Step-by-step explanation:
After you sort the data, you get:
8,9,9,10,11,12,12,12,13,13,14
We know that the first quartile is 9, and the third quartile is 13, so it is 4
Hmmmmm let me seee
Can u show the options i can barley see them
9
Hope this helps :)
Sum of the angles of a polygon is (n-2)*180
Each angle is (n-2)*180/n
140 = (n-2)*180/n
140n = 180n - 360
-40n = -360
n = 9