What type of clause is hooray these sentences are not very difficult yet?

The clause "hooray these sentences are not very difficult yet" is a complex sentence containing an exclamatory clause and a declarative clause.

* Exclamatory clause: "Hooray" functions as an interjection expressing excitement or joy, and it doesn't have a subject or verb.

* Declarative clause: "These sentences are not very difficult yet" is a complete sentence with a subject ("sentences") and a predicate ("are not very difficult yet").

Here's the breakdown:

* Exclamatory Clause: "Hooray"

* Declarative Clause: "These sentences are not very difficult yet"

The two clauses are connected by the exclamation mark, creating a complex sentence that expresses both an emotional reaction ("hooray") and a factual statement.