Answer:
I got 103˚ because I put (x+40)˚ into the calculator
The sum of the interior triangles in a triangle is 180, so if we add all the angle measures together, we should get 180. Therefore, we can make an equation like this,

Simplify this.



Now we can find each angle measure.











So the angle labeled
is the largest angle in the triangle.
Answer:
It's answers 1 and 3
Step-by-step explanation:
The meeting is not mandatory and only volunteers are participating in the task he wanted, this shows bias and doesn't correctly represent the whole team.