The signal for a turn should be made at least feet before yo wish to make the turn

100 feet away before turning.

Or at least 3 seconds.

Explanation:

I passed my test :)

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.