Answer:
Step-by-step explanation:



Answer: 80
Step-by-step explanation:
100+80 =180
Answer:
6x^2-3x
Step-by-step explanation:

Hope this helps!
Answer:
x= 70
Step-by-step explanation:
AB= 180 so u add 20+ 50 and then substract that to 180 which leaves you with 110. The angles are the same on both sides so the other angle is also 110, leaving x to be 70°
hope this is correct lol :)