cho tứ giác abcd có 2 đường chéo vuông góc với nhau gọi e, f,g, h là các trung điểm của ab, bc, cd, da cmtuws giác efgh là hình chữ nhật

Do stairs go up or down? do stuttering people stutter when they’re thinking to themselves? do they bury people with their braces on? do they have the word “dictionary” in the dictionary? do you yawn in your sleep? do your eyes change color when you die? how can something be “new” and “improved”? if it’s new, what was it improving on? how come only your fingers and toes get wrinkly in the shower and nothing else does? how come you never see a billboard being put up by the highway? how do you handcuff a one-armed man? how far east can you

This is an ap world history question. i am working on a worksheet which has a vent diagram with each circle labeled either us or byzantine economy. the middle is the similarities. can someone explain to me the similarities and especially the differences between the two?

Which of the following is an open question? "where are you from? " "when did you graduate from college? " "why did you leave your last job? " "do you have transportation to work? "