Write a verbal statement that represents the expression (4+k V) please help me¡¡¡

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?

In angle pqr find the measure of

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.