HELP OKEAEE HELPE PELASE

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Given the graphed function below which of the following orders pairs are found on the inverse function

What is 1/3x5 on anuber line what does it look like on a number line