1. 16 in 16xy2z   coefficient   binomial   trinomial   monomial   Hint Half-n-half Clue   2. 5x2y4 and 23x2y4   unlike terms   coefficients   variables   like terms   Half-n-half Clue   3. 21x2y3   trinomial   coefficient   monomial   binomial   Half-n-half Clue   4. 2x2y + 7xy4   trinomial   monomial   binomial   inequality   Half-n-half Clue   5. x3 + y4 + z5   inequality   monomial   trinomial   binomial   Half-n-half Clue   6. 8x4 + 5x3 + 3x2 + 16 = 0   linear equation   cubic equation   quartic equation   quadratic equation   Half-n-half Clue   7. 25x2y4 and 3x4y2   unlike terms   coefficients   like terms   inequalities   Half-n-half Clue