1. Lines
   1. Build an Equation
   2. Distance from a line
   3. Make an Equation (using two Points)
   4. Intersection of Lines
   5. find angle between two lines
2. Planes
   1. Build an equation
   2. Make an Equation (using three Points)
   3. Intersection of line and Planes
   4. Finding Parallel planes from Skew Lines:
   5. Intersection of 2 Planes (gives the line of intersection)