Answer:
I think it's (x+16, y)
Step-by-step explanation:
This situation is represented in annex.
From Pythagorean theorem you've got equation:

There isn't any solutions where x>0, so this situation is IMPOSSIBLE.
Did you write correctly this question....?
Answer:
D
Step-by-step explanation:
To find if a equation is a perfect square trinomial it has to follow the standard of B^2=4ac. In this case they all meet this standard execpt for letter D meaning, that letter D would NOT be your perfect square trinomial
Answer:
Dilation transformation
Step-by-step explanation:
Dilation transformation maps the large triangle onto the small triangle.