Oof x oof = ? idk what that is

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

Why do we mark tlc plates with pencil and not with pen

When creating a field in a table, you must set the to determine what type of data the field can store. field property data type field type data property