Word problem for algebra class

Question

If the greatest common factor of a and b is 3, what values are possible for the greatest common factor of a^2 and b?

Answer 1

GCF of a and b = 3

such as 75 and 18

what is greatest common factor of a^2 and b?? a^2

such as 75x75 and 18? 3^2 = 9 = GCF