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When a company collects sales tax from a customer, Multiple Choice decrease; decrease decrease; increase increase; increase increase; decrease

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a) n + 5 A. always nonnegative B. always nonpositive C. always negative D. can't tell E. always positive

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What do fractures of the sternum and ribs usually result from? Question 4 options: coughing rigorous exercise crushing or squeezing of the chest None of these responses is correct.

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Trade Selling refers to the sale of a product or service to a customer who works as a trade person such as a plumber or electrician.

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Part C Each question carries 8 marks - 3x8=24 Marks Theory answers must be atleast 16 lines 17 A. Explain in details, why we need security policy and explain components of security policy OR B. Explain any 6 categories of security mechanism 18 A. Perform Playfair cryptography for the following: Message: I am in Muscat Oman Keyword: TOYOTA OR B. Statement: "Hash functions are a crucial component of cryptography". Support the statement with your answer, your answ must have the answer for why and how. 19 A. Perform S-Box for the bits: 011000 010001 011110 111010 1000 100110 010100 100111 Table: S-Box Row Column Number number 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 1 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 2 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 3 15 12 8 2 4 9 1 7 5 11 3 14 10 0 6 13 OR B. Demonstrate the steps involved in AES algorithm

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Discuss the four error detection and control mechanisms employed by the mac layer [20 marks]

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If our 3×3 grid is printed on a one-sided surface, the appropriate geometric symmetries consist of only \{e, \rho, \rho^2, \rho^3\}, since the reflections would require us to flip over the surface. Give two different pairs of colorings that would be equivalent under action of all of D4, but are not equivalent if only the rotations are allowed.

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DETAILS MCKTRIG87.4.017 The problem refers to triangle ABC. Find the area of the triangle. Round to three significant digits. A = 468105 m^2.

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QUESTION 8 8) An electron (charge -e) is at rest in a region of electric potential that varies as a function of position. When released it will move into a region of higher potential in the direction of the electric field not at all into a region of lower potential in the direction perpendicular to the electric field along an equi-potential line

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An artist makes a certain shade of green paint by mixing blue and yellow in a ratio of 3:4. She makes orange by mixing red and yellow in a ratio of 2:3. If on one day she mixes both green and orange and uses equal amounts of blue and red paint, what fractional part of the paint that she uses is yellow? ( ) A. 7/12 B. 17/29 C. 7/5 D. 12/17

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stephanie c.