when you subtract numbers with three digits its almost exactly the same as regular subtracting but with decimals.
Factoring is the process of finding the factors of polynomials
For our quadratic:

I hope that
helps!
I am with you if you faced any difficulties!
it equals an answer that answers the question
We know that
<span>the rotation of a solid does not modify the values of the internal angles of the solid
</span>therefore
interior angle after 90° rotation=interior angle before 90° rotation
interior angle after 90° rotation=108°
the answer is the option D 108 °