Can somebody help me on this 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: .

Combine the information in the problem and the chart using the average balance method to solve the problem.

Which of the following vectors are orthogonal to (2,1)? check all that apply