What is the volume of a right pyramid whose base is a square with a side 6m long and whose altitude is equal to the base side? a. 72 m3 b. 216 m3 c. 36 m3 d. 108 m3

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?