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. LOOK_DOWN
B. GOOD_LUCK
C. HELP_THEM
D. STAY_CALM
Answer: B
Mathematics
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State the addition property illustrated by the given equation.0 + (-7516) = -7516
A. Commutative B. Inverse C. Associative D. Identity
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Find the sum of the infinite geometric series.20 + 5 + 
+ 
+ . . .
A. S = 
B. S = 
C. S = 
D. S = 
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Find a value for a so that the equation models the data.y = ax
A. 
B. 
C. -3
D. 3
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