Please ANSWER ALL THREE QUESTIONS and only answer no need for explanation, thanks

A contract has been formed between parties; however, something remains to be completed by one or both parties to fulfill the conditions of the contract. Which type of contract classification applies? A) Unilateral O B) Executory C) Informal O D) Express When real property is pledged as security for a debt, it is known as A) estoppel. OB) hypothecation. C) subordination. D) novation. Which instrument is usually recorded? A) Promissory note B) Residential lease agreement OC) Mortgage D) Purchase and sale contract