Respuesta :

i think i could possibly be the first one and the last one. i might be wrong but those seem correct, hope i was able to help :)
I would say the first and last ones which are:

Letters are sent out automatically when books are late.
And:
It is easier to see if books are available.
Plz let me know if I’m wrong and I’m sorry if I am :)
Brainliest would be nice
Thank you