I think these rates are common. I had to translate the same documents to italian 6 years ago and the rate was similar to yours. Birth certificates are expensive to translate in general.
Cheesecake: is it not an american dessert???
Super: comes from latin
Brutal : Latin, brutalis
"Hacer Face" and "llamar a hugo": i'm a native of bs as and never heard these expressions
Total: Latin, totus