9. Which of the following says "my sister's birthday?

*mi hermana's cumpleaños
mi hermana de cumpleaños
el cumpleaños de mi hermana
mi hermana de cumpleaños

10. The Quinceañera is for a girl who is turning 16, similar to a "coming out party" you might hear of in the United States.

*true
false

11. The Quinceañera wears a beautiful white dress.

true
*false

12. The Quinceañera is a celebration because now, finally, the young lady can drive.

true
*false

Thank You

2 answers

9. el cumpleanos de mi hermana
10. true
11. false, generally is another color like pink, blue or any other bright color but white because white is used if you are a bride.

12. yes but not quiet it is because the young girl becomes a woman.

(I am a native Spanish speaker)
Thank You