What would (0,2.50) be and the y and x axis

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

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.