French phrase
Quelle est ~ et quels sont ~ ?
Meaning
What is ___ and what are ___?
When to use it
A question about one item, then several items. It is polite without being overly formal.
Example dialogue
Quelle est la date et quels sont les horaires ?
What is the date, and what are the hours?
Le semestre commence le 1er septembre et les cours sont du lundi au vendredi, de 9h à 17h.
The semester starts on September 1, and classes run from Monday to Friday, from 9 a.m. to 5 p.m.