1. There are three method of solving a bearing problem: pencil and paper, trigonometry, and geometry software. Which method is the most accurate? Explain 2. Explain why these three sentences are equivalent 1) ū and v are scalar multiples of each other are collinear 2) u and 3) u and are parallel 3. What does the dot product measure? 4. How can the cross product be used to define the unit vector k? What about i and j? 5. Describe a situation in which three points do not describe a unique plane