The low temperatures (in degrees Fahrenheit) for three days in December in Chicago are 5F above zero,

Question:

The low temperatures (in degrees Fahrenheit) for three days in December in Chicago are 5°F above zero, 4°F below zero, and 6°F below zero. Let F be the low temperature (in degrees Fahrenheit) for one day.
Use points on a number line to describe the given values of a variable.