Can someone help me plsls

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

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?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!