Answer:
i dont know im sorry
Step-by-step explanation:
I think it’s the second one please correct me if I’m wrong not perfect at this
Remove the radical by raising each side to the index of the radical.
x=-1
Answer:
X=23
Step-by-step explanation:
You should know that a triangle =180 degrees
Add all your angles together and =180
66+2x+3+3x-4=180
add similar terms
5x+65=180
Move your 65 to the other side
5x=115
x=23
(Optional)
to check if your answer is right substitute your x and add all angles together you should get 180 degrees.