Which of the following expressions are equivalent to \[-\dfrac{-e}{-f}\]? Choose all answers that apply: Choose all answers that apply: (Choice A) \[\dfrac{e}{f}\] A \[\dfrac{e}{f}\] (Choice B) \[-\dfrac{-e}{f}\] B \[-\dfrac{-e}{f}\] (Choice C) None of the above C None of the above