For 61 you can change it to √25/√49. √25=5 and √49=7 so it would simplify to 5/7.
X = 72 and it's a scalene triangle
Answer:

Step-by-step explanation:

Distribute 2 through the parentheses


Hope I helped!
Best regards! :D
Answer:144
Step-by-step explanation:
Answer:
I think it's A. sorry if i'm wrong.
Step-by-step explanation: