What declension is servus in

Patrick bought 7.5 pounds of frozen shrimp. the shrimp is sold in 1.5 pound packages. how many packages of shrimp did patrick buy?

Is this inappropriate language,”good evening, everyone. for coming out to sit on hard, uncomfortable stadium concrete on an unseasonably warm evening and wearing clothes and shoes you can’t wait to get home to get get ou of.” if so, how can i write it in formal?

How do you say my cousins wee gettin along badly during the party