One and four. Mysterious setting and the analysis of the evilness of human nature
A) they have only encountered him once and he was angry about his neighbor and that made scout and jewel to be timid towards him.
The central idea of the paragraph from "The Code Book" is expressed by "Breaking the RSA code is the greatest challenge for cryptanalysts."
The meaning of the cryptanalysts is that someone who break the codes.
Despite the enormous strength of RSA and other modern ciphers, cryptanalysts are still able to play a valuable role in intelligence gathering. Their success is evidenced by the fact that cryptanalysts are in greater demand than ever before—the NSA is still the largest employer of mathematicians in the world.
Hence, the correct answer is "Breaking the RSA code is the greatest challenge for cryptanalysts."
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Answer:
Once there was an elephant,
Who tried to use the telephant—
No! No! I mean an elephone
Who tried to use the telephone—
(Dear me! I am not certain quite
That even now I’ve got it right.)
Howe’er it was, he got his trunk
Entangled in the telephunk;
The more he tried to get it free,
The louder buzzed the telephee—
(I fear I’d better drop the song
Of elephop and telephong!)
Explanation: