What is the value of the Expression below

Given right triangle xyz, which correctly describes the locations of the sides in relation to

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Answer pls man im trying to get out of summer school