No most people do not know how to do simple things like pay taxes. we also do not learn how to buy a house or the process of doing it.
The predicate is C) take several courses in mathematics. This is because sentences are split into two parts: Subject and predicate. The subject refers to what the sentence is talking about, in this case, the subject is the Civil engineering students. The predicate contains a verb, and states something about the subject. To take something is a verb, and it states that they are taking mathematics. Hope this helps! :)
Maybe Another animal made a sound it scared him