Binomial theorem:

The

term corresponds with the term in the sum for which

. For this

, we get

So the coefficient you want to find is
Answer:
30 seconds
Step-by-step explanation:
You add seconds at the end.
Answer:
x=25
Step-by-step explanation:
2x-10=65-x
I believe it’s 13
you would substitute the x for 3
so you would multiply 4 by 3 and get 12
you then would add 1