Why would dashes be used in a sentence? select three options.

to emphasize particular information
u to introduce a list of words or phrases
w to set off introductory words or phrases
to indicate the importance of certain ideas
to set off nonessential elements containing commas

Step 1:  Determine which options are correct

Why would dashes be used in a sentence? Select three options.

- Option A:  to emphasize particular information

- Option D:  to indicate the importance of certain ideas

- Option E:  to set off nonessential elements containing commas

The options that make sense are A, D, and E.  The reason why A is an answer is because dashes indeed help to emphasize particular information.  The reason why D is correct is because dashes also show the important of certain ideas.  The reason why E is correct is because dashes set off nonessential elements that contain commas.

Look at attachment

the answer is blue river