I have a lot of math questions. Please let me know if you can help me with them

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Is it true or false i’m trying to pass this test so i can leave school

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол