a. To add or subtract radical expressions, write each expression in [ Select ] ["simplest", "easiest", "any", "like"] terms, then add or subtract [ Select ] ["like terms", "same terms", "alternate terms"] . b. Do not leave a radical [ Select ] ["anywhere in a fraction", "in the denominator", "in the numerator"] . c. Removing a radical from the denominator is called [ Select ] ["cancelling the denominator", "rationing the denominator", "rationalizing the denominator"] . d. Radicals can be removed from the denominator by [ Select ] ["multiplying by the conjugate", "multiplying by the denominator", "multiplying by the numerator", "dividing by the conjugate"] . e. A conjugate is determined by [ Select ] ["keeping", "changing"] the signs between the two terms.