Final answer:
An implied contract, recognized by courts in various states, is a legally binding agreement inferred from actions, behavior, or circumstances of the parties involved, even without a written or spoken agreement.
Step-by-step explanation:
The concept that is recognized by courts in several states as an implied contract that can be legally binding is c) Implied contract. An implied contract is formed by the actions, behavior, or circumstances of the parties involved. Even though there is no written or spoken agreement, the law recognizes obligations may arise from a mutual understanding that is inferred from facts, conduct, or situations. For example, when a person receives services from another and does not object, an implied contract for payment for those services may be formed. This is distinct from explicit, verbal, and unilateral contracts which have their own definitions and circumstances under which they are recognized.