Rewriting the left-hand side as follows,

Answer:
the student that is correct is Gene and the solution is x=10
Answer:
67+65+x=180
CBW=48 degrees
Step-by-step explanation:
Do you know that a straight line is 180 degrees. I recommend you to actually try on these questions. It will be a slower process if you just post questions on brainly.
M= 276 31+276=307.
307-31=276 that’s how I found M