Answer:
tHE ANSWER IS PIC
Step-by-step explanation:
Answer:
a) 
b) 
Step-by-step explanation:
From the question we are told that:
3 coin are tossed
Therefore
Sample space 
Generally the sets that correspond with the result of at most one tail is therefore given as follows

Therefore
The result is at most one tail when

Just a question, are the 2's squares?
Answer:
it's easy..here have a look at it.
Answer:
(the pic)
Step-by-step explanation:
I used a link