41.8, angle y and the measurement angle labeled as just "138.2" are supplementary angles, meaning that when you add them together they equal 180. So all you have to do is subtract 138.2 from 180 and you get your answer which is 41.8.
Answer: 
Step-by-step explanation:





Answer:
15, 36, 39
Step-by-step explanation:
when these are squared they add up to 39 squared following the Pythagorean theorem
I’m not sure but I think the answer is 3
I believe the answer is B