Find and return the sum of duplicate number and missing number.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

Acivil lawsuit is brought against an individual or company whenever there are disputes in both parties. it is used to settle the conflict by letting the other party pay for whatever damages it has caused. whenever you file a lawsuit against the other part, you might find out some coworkers who are disloyal to you. the relationship between the company and the complainant would be broken.

Maybe because he failed the classes or is very accelerated.