Pls if you can answer it :)

When only separate discreet points are graphed it is called?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.