Creamy Cilantro-Avocado Dressing. Use this tangy, creamy cilantro-avocado dressing on a salad of romaine lettuce, grape tomatoes and black beans, with crumbled tortilla chips or toasted pine nuts on top. By: EatingWell Test Kitchen.
A rational expression (or algebraic fraction) is a fraction with. a polynomial in the numerator and and a nonzero polynomial in. the denominator.
The sum of two rational numbers is rational.. By definition, a rational number can be expressed as a fraction with integer values in the numerator and denominator (denominator not zero).