What is the equation of the line that passes through the point (8,8) and has a slope of -1/4

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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?