A 14-foot tree casts an 8-foot shadow. At the same time, a nearby flagpole casts a 10-foot shadow. How tall is the flagpole? Round to the nearest tenth if necessary.

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?