Question

what are typical documents that engineers make?
bids and proposals
both media releases and bid and proposals
reports
media releases
both media releases and reports
both reports and bid and proposals

Explanation:

Engineers often create reports for technical - related information, bids and proposals for project - related submissions. Media releases are less typical as they are more related to public relations which is not the core of engineering work.

Answer:

Both Reports and Bid and proposals