Give 5 examples for software

Need asap 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. at least 400 words

If joey was single and his taxable income was $9,500, how much would he pay in taxes each year?

*! 20 points! *jeff wants to create a website with interactive and dynamic content. which programming language will he use? a. dhtml b. html c. css d. javascript