Answer: 
Explanation:
We plug the given coordinates into the distance formula

There isn't much we can do from there since we don't know the values of 'a' or 'b'. You could expand out each binomial, but it's more simplified being factored like that.
Answer:
56
Step-by-step explanation:
I am pretty sure it is 10.
Just please double check.
Hope I helped!!!! :)
The function is invertible on either side of the vertex. There are many possible answers. Ones that include the vertex are ...
x ≥ 3
or
x ≤ 3
They practiced 35 minutes longer on the second day.