I have two hours to submit please help me fast

Question 1 Encrypt the message "the house is being sold tonight" using one of the following ciphers. Ignore the space between words. Decrypt the message to get the plaintext: a. Vigenere cipher with key: "dollars" b. Autokey cipher with key "dollars" c. Playfair cipher with the key. " HEALTH " Question 2 Use a Hill cipher to encipher the message "We live in an insecure world". Use the following key: K=[3527]