Encrypt the Message NEED HELP by Translating the Letters into Numbers

question 49

Short Answer

Encrypt the message NEED HELP by translating the letters into numbers (A=0, B=1, . . ., Z=25), applying the encryption function f(p) = (3p + 7) mod 26, and then translating the numbers back into letters.

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Definitions:

Disjunctive Syllogism

An argument based on deductive reasoning that uses elimination to present just two options in its premises.

Sound

Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.

Perfectly Flat

Describing a surface that is completely smooth and level, without any bumps, curves, or inclines.

Valid

In logic, refers to an argument where, if the premises are true, the conclusion must also be true.