Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A =  and its inverse A-1 =  to decode the cryptogram  .

A. ARMS
B. ALAS
C. ABLE
D. ACTS


Answer: C

Mathematics

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Solve the problem. Snell's Law states that   Use this law to find the requested value. If     and    find c2.

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Mathematics