Rule- based systems are subset of expert systems true or false?

Events and conditions that happen within an organization that are somewhat easier to deal with when responding to change are called

If your accelerator suddenly gets stuck what should you do

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