Answer:
<h2>Infinitely many solutions</h2>
Step-by-step explanation:


<h2>
Answer:36 
</h2>
Step-by-step explanation:
Given that
is isosceles triangle.
A isosceles has two sides equal an the third side is the base.
So,
...(i)
Given that length of the base 
Given that the perimeter of the triangle is 
So,
...(ii)
Using (i) and (ii),

I’m pretty sure it is B but i’m not positive.
15y is less than 36+9
y is less than 45/15
y is less than 3