Find the root if it is a real number.
A. 18
B. 3
C. -3
D. 
Answer: B
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Write the contrapositive of the statement.If I am in the city of Fligaroo, then I am on the planet Plochus.
A. If I am not in the city of Fligaroo, then I am on the planet Plochus. B. If I am not in the city of Fligaroo, then I am not on the planet Plochus. C. If I am not on the planet Plochus, then I am in the city of Fligaroo. D. If I am not on the planet Plochus, then I am not in the city of Fligaroo.
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
+ 
A. 
B. - 
C. 
D. - 
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. HELP_THEM B. GOOD_LUCK C. STAY_CALM D. LOOK_DOWN
Evaluate the polynomial.-4x5 + 4x4 + 3x3 - x2 for x = 2
A. -15 B. -49 C. -44 D. -48