9. If X = {a, e, i, o, u} and Y = {a, b, c, d, e, then what is Y - X? A. {a, e) C. {b, c, d] B. {i, o, u D. {b, c, d, i, o, u u and Y = fa. h. c. d, e, then what is X - Y? 10 If Y - In​