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. ACTS
C. ALAS
D. ABLE
Answer: D
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Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 cos ?; the origin (pole)
A. May or may not be symmetric about the origin B. Symmetric about the origin
Identify the system as consistent or inconsistent, and dependent or independent. x + 6y = 292x + 12y = 58
A. Consistent and independent B. Consistent and dependent C. Inconsistent and dependent D. Inconsistent and independent
Establish the identity.
= tan(2?)
What will be an ideal response?
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.2 logb y + 9 logb z
A. 18 logb(yz) B. logb(yz)11 C. logb(y2z9) D. 11 logb(yz)