Answer:
Step-by-step explanation:
Calvin encoded a secret phrase using matrix multiplication. Using A = 1, B = 2, C = 3, and so on, he multiplied the clear text code for each letter by the matrix c=3 -2 4 -3 to get a matrix that represents the encoded text. The matrix representing the encoded text is...... What is the secret phrase? Determine the location of spaces after you decode the text.