Answer:
area = 2.14 * 3 ** 2
Explanation:
No clue what language you use but this should be pretty universal. To find the area of a circle you use pi(r) ^ 2 or pi times radius squared

In python it looks like this:
>>> area = 3.14 * 3 ** 2
>>> print(area)
28.26<em> <Printed text</em>
Answer:
True
Explanation:
When communication exchange that does not verify the identity of endpoints of communication is true
On-board? im assuming so. an on-board storage is where people keep luggage/items on a ship.
hopefully i could help ;)