Because it has three legs
Answer: 0.0325
Step-by-step explanation:
Binomial probability distribution formula for x successes in n trials:-
, where n is the number of trials , p is the probability of success.
Given : The probability that taxpayers who filed their tax return are electronically self-prepared their taxes : 
If three tax returns submitted electronically are randomly selected, then the probability that all three were self-prepared is given by :-

Hence, the probability that all three were self-prepared =0.0325
#3
2 and three are supplementary angles .
#4.
The answer is opposite angles .
#5
Bisected angles are equal





Now
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I'm sorry, but I have to seriously question the whole process.
-- What does "the angle between the Earth and sun" mean?
-- How in the world does he measure the distance between the Earth and sun ?
-- How are either of these related to the distance between the Moon and Sun ?
To me, this "scientist's" methods are as defective as this question is.
It is actually based of of calculation, this isint really a trick its just and advance calculation system thats why you add and divite certain number :)
hope this helps ❤️