Can someone help me please ❤️

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 graph: .

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?