Answer:
option 2: 15
Step-by-step explanation:
ΔBOA is a right angled triangle.
By Pythagoras theorem,



OA = √225
OA = 15
(x - 14) (x - 2) is the answer.
around 13% chance
Step-by-step explanation:
There are 116,280 ways to select the officers.
Since order is important, we use permutations: