Which is the definition of a square?

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf