A.4.15.2 Caesar Says Shift
c. Give your encoded message to a partner to decode. If requested, give the number you used. d. Decode the message from your partner. Ask for their number, if needed.
b. Use m and c to write an equation that can be used to encode an original message into your secret code. c. Use m and c write an equation that can be used to decode your secret code into the original message.