Which of the following best explains how symmetric encryption are typically used?

A: Symmetric encryption uses a single key that should be kept secret. The same key is used for both encryption and decryption of data.

answer; i believe that the correct answer is u.s///british,and canadian forces; /// normandy invasion also called operation overlord; plz check first

answer: a, c

divide any of the y values by x values and you will always get 3 is the most simple way i can put it for you.