Final answer:
The compound-complex sentences in the options are the ones starting with 'Dave has some extra money', 'The movie ends before you learn who committed the crime', and 'If you want to go to the park'.
Step-by-step explanation:
The compound-complex sentences in the provided options are:
- Dave has some extra money, so he is going to the store where Rahim works.
- The movie ends before you learn who committed the crime, but I know who did it.
- If you want to go to the park, give me a call, and I'll meet you there.
The first sentence has two main clauses ('Dave has some extra money' and 'he is going to the store where Rahim works') and no subordinate clauses. The second sentence has two main clauses ('The movie ends before you learn who committed the crime' and 'I know who did it') and no subordinate clauses. The third sentence has two main clauses ('If you want to go to the park, give me a call' and 'I'll meet you there') and no subordinate clauses.