Question

a polynomial is an expression that consists of, variables, and exponents.
a is a number or quantity placed (generally) before and multiplying another quantity, such as in 4 * x.
when simplifying an expression, combine terms to simplify the expression to its lowest form

Explanation:

1. A polynomial includes coefficients (for variables), constants, variables, and exponents.
2. A coefficient is a number multiplying a variable (e.g., 4 in 4*x).
3. Like terms (same variables/exponents) are combined to simplify expressions.

Answer:

coefficients, constants
coefficient
like