Posted by **lee** on Thursday, April 4, 2013 at 10:02am.

For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below.

Use the code [1,-2_-3,7] encode the phrase "ONE QUESTION TO GO"

The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17] find C-1 and use it to decode the matrix.

If someone could explain the steps or get me in the right direction.

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