A birdwatcher on a cliff saw an eagle 70 feet above him. Earlier, he had spotted the eagle feet above him. Which integer represents the eagle's change in altitude

Cwill be your correct answer

6/9 i need more characters in my answer

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 : )