In The Diary of Anne Frank, Act I, why is Anne so upset to hear from Mr. Dussel that Jopie de Waal is gone?

A. She thinks that Jopie has moved away and they might lose contact.
B. She wonders why Jopie didn’t say good-bye to her first.
C. She knows that Jopie and her family have been taken by the Nazis.

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

Will give if correct read the passage first of all, if someone says your dream is impossible, they’re wrong. you can’t prove that something is impossible-all you know is that [it] hasn’t been done yet. people said no one could scale mount everest, but in 1953, sir edmund hilary and tenzing norgay gazed down upon the world from its summit. people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier-than-air machine. people said, “okay, we admit that someone could climb mount everest, and we admit that man has learned to fly, but no one will ever, ever walk on the face of the moon.” if we can send three men a quarter of a million miles away and bring them home safely, is there any great task we cannot accomplish? which identifies the textual evidence that best supports the claim: the authors purpose is to persuade? a: the author shares historical information about the wright brothers. b: the author states that men have walked the moon. c: the author states that others who think your dreams are impossible are wrong. d: the author wants to know what tasks we cannot accomplish.

The knights of the round table were bound by the code of chivalry that called for loyalty to king, god, and lady.  in which set of lines from  sir gawain and the green knight  does sir gawain describe upholding this code?