Which of the following nouns adds an "s" in its plural form?

Schwester
Auto
Fach
Blatt

Fred wants to make brownies to make brownies he needs 2 ÷ 3cups of flour per batch of brownies if fred has 17 cups of flour then how many can fred make

Germans often support through subscriptions. the arts boxing soccer comedy (don't answer if you aren't sure )

Pomocy mam zadanie z polaka mam napisać dialog jak powstały teby