Determine if the following vectors are orthogonal.

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 answer is number 4.

4based on his attributes it can be concluded that through history could have "compelled" him to act in this way.

Answerthe ability to use knowledge and skills to manage financial resources effectively