Answer: ok well maybe its :
1. Elena es abuela de Armando.
2. Luis es hermano de Mariela.
3. Cecilia es hermana de Andrés.
4. Mariela y Luis son hermanos de Andrés y Cecilia.
You basically say the numbers in Spanish but while using despues,antes,son las(beginning of sentence) here il show an example ex. son las Cinco con quince.. although con means with some people do talk like that. translation: it's 5 with 15 ... yes I know it does sound weird in english but not all spanish is alike .... I hope this helped you the slightest bit ... I'm Spanish and this is also confusing to me so good look and do your best
A, because como estas is familiar, como esta usted is formal (someone older than you)
“There are many churchs in Spain” is incorrect.