Please i need the answer

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

The graph shown is the graph of which function?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.