We have the following expression given:

We can start selecting as common factor 4y^2 and we got:

Now we can select y+7 as common factor and we got:

So then our final answer would be:
Answer: 3/4
Step-by-step explanation: 12/16 which simplifies to 3/4.
Step-by-step explanation:
the answer is:
180-48= 132°
I can't see where the one is bur if its on the top left it corresponds with 5 then