Show work1) choose the correct solution in roster form: y is the set of real numbers that are factors of 25 a.{1, 25}b.{1, 5, 25}c.{ 1, 3, 5, 25}d.{5, 25}2) same thing: suppose x={1, 2, 3, 4, 5, 6, } is the universal set and p= {2, 4, 6, }. what is p'? a.{1, 3}b.{1, 5}c.{1, 3, 5,}d.{3, 5}