What is the circumference of a circle with a diameter of 10 meters?

Match each expression with its simplified form.

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

It says factor each expression completely 8y+48