How where city state different from one another?

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

8y=-6x+24 whats the slope and y-intercept

What words in the preamble to the constitution reflect the principle of popular sovereignty