What is the image of (2,1) after a reflection over the 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

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.