What is this as answer to this problem 3(2x+2)=96

Which best explains why this triangle is or is not a right triangle?

Is a positive integer raised to a negative power always positive

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?