software engineering please answer me this soon

Section B. Determine whether each of the following questions is True (T) or False (F), and write your answer T or F for each question (30 points for 15 questions, 2 points per question). 1. The General Public License (GPL) is a so-called 'reciprocal' license that means that if you use open source software that is licensed under the GPL license, then you must make that software open source. 2. An IDE is a set of software tools that supports different aspects of software development, withing some common frameworks and user interface. 3. UML's full name is United Mailing License. 4. Class diagrams show the interactions between a system and its environment. 5. In Activity diagrams, a filled circle is the end of a process. 6. In Sequence diagrams, interactions between objects are indicated by annotated arrows. 7. In Sequence diagrams, time is represented vertically. 8. In object-oriented languages, such as Java, aggregation is implemented using the class inheritance mechanisms built into the language. 9. In State diagrams, the labeled arrows represent system states. 10 . In closed interviews, the stakeholders answer a pre-defined set of questions. 11. A stakeholder is anyone who should have some direct or indirect influence on the system requirements. 12 The Extreme Programming is an agile method that provides a project management framework. It is centered round a set of sprints, which are fixed time periods when a system increment is developed