“it depends” is the correct answer.
Sure! First, you find a common denominator for all of the fractions. If you don't know how, search online. When they have the same denominator and they are equivalent fractions, subtract the numerator and keep the denominator. That is your answer!
D. omniscent third person point of view
A restrictive clause is not preceded by a comma and it is making a clear distinction about the subject in the sentence.
That is the reason why, the only sentence that includes a restrictive clause is the third one, in order: "The ceramic cups Birgit bought at the garage sale are al chipped."
You must pick 2 main clauses in this example. The second one form the top is the one you should choose.