please answer the following

3.2 Explain how the principles underlying agile methods lead to the accelerated development and deployment of software. 3.3 Extreme programming expresses user requirements as stories, with each story written on a card. Discuss the advantages and disadvantages of this approach to requirements description. 3.4 In test-first development, tests are written before the code. Explain how the test suite may compromise the quality of the software system being developed. 3.5 Suggest four reasons why the productivity rate of programmers working as a pair might be more than half that of two programmers working individually