Simple, compound and complex sentences

Match it! Select the correct answer from the pull down...Good luck!

Ta'Shawna passed the test because she studied hard and understood the material.

Our classroom is filled with chairs, desks and students.

What type of sentences is this?: Luis spoke Spanish, and his friend spoke English

Although Pontiac had the better football team, they lost to Catawba Trail. What type of sentence is this?

What type of sentence is this?: Pierre went to the store, but Carolyn stayed home.

What type of sentence is this?: When I was little, I ate spinach with my steak.

What type of sentence is this?: Niya likes to go dancing with LyTavia.

What is the helping word for the conjunctions in a compound sentence?