Which rule applies to this equation? (9)(4n) = 36m

(A) Rational x Irrational = Irrational

(B) Irrational x Irrational = Irrational

(C) Rational x Rational = Rational

(D) Rational x Irrational = Rational

(A) Rational x Irrational = Irrational

(B) Irrational x Irrational = Irrational

(C) Rational x Rational = Rational

(D) Rational x Irrational = Rational

Answer:Step-by-step explanation: