5
because 5*5 = 25
that would mean equal squares
btw im just guessing
So 90 is 4/5 of a number.
4/5n=90
4n=450
n=450/4
n=112.5
Answer:

Step-by-step explanation:
<h3>Simplifying radicals</h3>
Step1: Prime fatorize and reduce to simplest form
Step2: Combine like radicals


Try, pls, this:
1. Note, that for the both points x₁=x₂=-5, it means line is vertical, that is equation form is x=a, where a=number.
2. The number for 'a' may be extracted from points, a=-5.
3. Equation for line is x=-5.