What sentence structure is used in the sentence below? Compound or Compound-Complex?
I didn’t read the instructions in Google Classroom, so I wrote the essay on the wrong topic.

What sentence structure is used in the sentence below? Compound or Complex?
The team played their best; nevertheless, the chess team did not make it to the finals.

What sentence structure is used in the sentence below? Simple or Compound?
Feeling proud, I walked across the stage to get my trophy.