Answer: uh its just 3
the degree is the power of the exponent on the x term
You have no values listed.
Also, did you mean a 30-60-90 triangle?
Answer:
B.
Step-by-step explanation:
P(something not happening)+P(something happening)=1 or 100%.
So if we have
P(something not happening)+40%=100%
Then the P(something not happening)=60% since 60%+40%=100%.
Yes I was using the event="something not happening" as the complement of something happening.
In fancy notation, some people might write:

or
