Add the punctuations:
Three of the islands-Hawaii, Maui, Oahu-contain most of the major cities David.

Should I have comma after “Oahu” and “contain”?

If you could, please tell me why they put David at the end. It doesn’t make sense to me.

What is the function of an economic system?

Which methods of delivery are most suitable for informal group presentations? select all that apply.

What impact does the use of dashes have on the rhythmic structure of this poem? the dashes create imperfect rhyme that confuses the reader. the dashes create a slow rhythm that is pleasant for the reader. the dashes create a quick rhythm that confuses the reader the dashes create a heightened rhythm that excites the reader