Will mark give me 5 fun facts about octogons!

I’m really confused and need your assist me with this question i’ve never been taught

Given the median qr and trapezoid mnpo what is the value of x?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before