Final answer:
The expression ab + 2c represents a general algebraic expression involving two variables and two constants.
Step-by-step explanation:
To evaluate the expression ab + 2c, we need to substitute the given values for a, b, and c into the expression. Since we don't have specific values for a, b, and c in the given question, we can't provide a numerical answer. The expression ab + 2c represents a general algebraic expression involving two variables and two constants.