Answer:
c
Step-by-step explanation: because if you add all of the 17's you will get 136 in total
I think its the first one but i'm not 100% sure, don't trust me
So you have 6x-30. The only factor I can think of for this is x+5. Because you have 6(x+5)= 6x+30
You have to post the question but all angles in a triangle should add up to 180 degrees