Please help I need to find the GCF

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?

Which equation can be used to determine the reference angle, r, if 0=7 pi/12?

Which best describes the transformation that occurs from the graph of f(x) = x2 to g(x) = (x - 2)2 + 3? 10+ g(x) right 2, up 3 left 2, down 3 right 2, down 3 left 2, up 3