Please check my work.

Identify whether if this sentence is complex, an exclamation, declarative, or interrogative.

The car broke down, but a rescuer van arrived within minutes. ----- Complex

This sentence is a compound sentence. It has two independent clauses:

The car broke down

a rescuer van arrived within minutes

Please study this site for the difference between compound and complex sentences.

http://www.eslbee.com/sentences.htm

I also suggest you show this to your English teacher.

Thank you Ms. Sue.

You're welcome, Priya.

Just a note: Writeacher and I are both native English speakers, have master's degrees, and taught secondary English in American schools for many years.

Wow! I’m impress, thank you for let me know that.

You're welcome. :-)

That’s very nice of you & Writeacher to help me out. I appreciated. Thank you both.

To identify whether the given sentence is complex, declarative, exclamation, or interrogative, we can break it down and analyze its structure.

The sentence: "The car broke down, but a rescuer van arrived within minutes."

This sentence contains two independent clauses joined by the coordinating conjunction "but."

1. "The car broke down."
2. "A rescuer van arrived within minutes."

Since this sentence contains two independent clauses connected by a coordinating conjunction, it is categorized as a complex sentence.

Therefore, your answer is correct. The sentence is complex.