I would say A because if every one uses the system, there will be no mistakes made.
Hope this helps! :)
Answer:
I dont know
Step-by-step explanation:
pls give more context
The square root of 121 is 11 because 11 times 11 is 121.
Answer:
1/2 chance
Step-by-step explanation:
5 and 10 can be divided down to 1/2