can someone answer these questions? (and dumb it down please as these were not explained in class)

50.How are discontinued operations and extraordinary items presented on the income statement differently from other items found there? 53.Why is this important? 54. What is the importance of the method used to present the SCF as opposed to the IS and BS? 55.What are some general strengths and weaknesses of the normal presentation of each of the 3 main financial statements that were discussed in class? 42.What is needed for a ratio to tell you anything more than a simple result of an equation or formula? W 45