It seems like a and c are the same answer. however the answer is “players”, because they are not possessing anything. this is the correct answer, because the sentence is just looking for the plural form of “player”
Answer:
Prepare plans with detailed drawings that include project specifications and cost estimates.
Design and execute engineering experiments to create workable solutions.
Develop engineering calculations, diagrams and technical reports.
Complete required technical and regulatory documents.
Explanation:
It is on google if you need more information.
It's "computers", because they're the subject of the verb to be.
I think.
If the letter you are referring to is the one you get when you have your credit card account or bill delivered to your home, then the best answer would be most likely the second one. The letter provides the recipient information about the condition of his own bank account.