Reduce these fractions to the simplest form: 12/18= * 1. 6/9
2. 2/3
3. 1/6
4. 4/6

2. 2/3 you can divide 12 by 18 which is 0.6 repeating or 2/3

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )