See attached. The trick is to use similar triangles.
Answer:
72
Step-by-step explanation:
it would be 72 because your adding 56+16 and that equals 72 numbers he will use
The answer is
4x^4-4x^3-16x^2+16x
I think it's 1/2, which is 6/12.
5/12 plus 1/12 equals 6/12. 6 is half of 12, so you one half. I hoped this helped.
It’s c sorry if i’m wrong!