The heir to a large estate will be of legal age within 30 days. The heir lists for sale with a broker one of the properties held by the estate. The broker knows of a buyer for the property and sells it within 24 hours of listing

This choice describes a future event related to the closing of the sale rather than the status of the contracts themselves. While the closing may occur in 45 days, it does not address whether the contracts have been executed or not.

While "fulfilled" might seem appropriate, it typically implies that all obligations have been satisfied, which is not the standard term used in contract law to describe the completion of contract terms. The more precise term for when all parties have completed their contractual duties is "executed."

A voidable contract is one that remains valid until one party chooses to void it due to certain circumstances. In this case, the contracts are not voidable since the heir has already engaged the broker and sold the property, signifying acceptance and execution of the agreements.

An executory contract refers to an agreement where some obligations remain to be fulfilled. Since the sale has been completed and both contracts have been executed, they cannot be classified as executory at this stage.