HELP PLEASEEEEE!!! Thank you!!!

Answer:
All of them are polynomials because they all have variable, constant, coefficients, addition, subtraction, multiplication.
Answer:
Option 3 : is not polynomial
Step-by-step explanation:
Because in this division has occur
mathematical expression which contains two or more algebraic terms which are added, subtracted, or multiplied (no division allowed!). Polynomial expressions include at least one variable and typically include constants and positive exponents at well.