What is 6y-32 written in an expression

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?

How would you find the height of points on the circle? the topic is trigonometry.

Here is another math questions. i will keep asking different questions. 4^2x=6