1. 25x2y4 and 3x4y2   inequalities   coefficients   unlike terms   like terms   Hint Half-n-half Clue   2. 16 in 16xy2z   monomial   coefficient   binomial   trinomial   Half-n-half Clue   3. x3 + y4 + z5   inequality   binomial   monomial   trinomial   Half-n-half Clue   4. 2x2y + 7xy4   inequality   monomial   binomial   trinomial   Half-n-half Clue   5. 21x2y3   monomial   trinomial   binomial   coefficient   Half-n-half Clue   6. 8x4 + 5x3 + 3x2 + 16 = 0   cubic equation   quartic equation   quadratic equation   linear equation   Half-n-half Clue   7. 5 in 7x5   cube   square   coefficient   exponent   Half-n-half Clue