write a short paper describing the history and differences between Six Sigma, Waterfall, Agile, and Scrum models. Understanding these models can give you a good idea of how diverse and interesting IT development projects can be. Describe what the rationale for them is and describe their key features. Describe the history behind their development Search the web for information on these topics and describe where they are most effectively used. The length of the paper should be at least 400 words and should include all three models, their basic definitions, for what kind of projects they are used, and their limitations or drawbacks.

In this unit ,we learned about arguments and rhetoric.in an argument we ,not informal language.

Read this excerpt from "the light of gandhi's lamp" by hilary kromberg inglis, in which she describes driving to the police station where her sister is being detained. to avoid looking at the blackened windows at the top of the building and thinking about the history of who had died or been tortured there, i always looked instead at the little chinese restaurant on the opposite side of the road. how does this passage affect the text? it conveys, with great subtlety, the conflict she felt over having a sister who would break the law and end up in the custody of the police. it conveys, without any implied moral judgment, that those who fought against apartheid considered themselves to be soldiers in a just war. it conveys, with an extended metaphor, the idea that being detained by the police in this society was regarded as a badge of honor. it conveys, with direct language, the view held by many anti-apartheid activists that the police often acted in brutal and unlawful ways.

Arrange the events below in chronological order. claudius and polonius hide themselves and listen in on hamlet's conversation with ophelia. claudius decides that hamlet's madness is not caused by neglected love and that he is dangerous. rosencrantz and guildenstern tell claudius that they still do not know the cause of hamlet's behavior. polonius suggests that he will hide and listen as the queen talks with hamlet.