How would you find the length of a line segment connecting two dots

Plz heeeeeeelp plz give me the answer

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each