Drag the simplified value into the box to match each expression. i will be giving brainliest for good

Solve for x i'll try to attach the files bc it's not letting me for some reason

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?

The function models the number of accidents