Square root of 500 - square root if 180 + sqare root if 80

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok