Yeah you did it right but good job!
Answer:

Step-by-step explanation:
As the Corresponding angles are equal

Hope this helps you.
Let me know if you have any other questions :-)
Answer:
B
Step-by-step explanation:
The equation is (2x+5)^2.
It can't be A because 2 is the multiplier for only x.
It can't be C because the square is outside of the equation.
It can't be D because again, the square is outside of the equation.
So the only thing left is B.
Hope this helped!