Determine whether the argument is valid or invalid.Sam plays tennis or Sam is not an athlete. Sam does not play tennis. Therefore, Sam is not an athlete.

A. Invalid
B. Valid


Answer: B

Mathematics

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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A sphere with r = 3 cm

A. 28.3 cm2 B. 37.7 cm2 C. 113.2 cm2 D. 113.0 cm2

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Solve the problem.Find a polynomial for the perimeter of the figure.

A. 26z + 12 B. 22z + 12 C. 38z D. 26z + 6

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Determine the order of the matrix. ?   ?

A. 3 × 3 B. 2 × 2 C. 3 × 1 D. 2 × 3 E. 3 × 2

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Solve the exponential equation. Round to three decimal places when necessary.(3.7)x = 44

A. 2.905 B. 2.88 C. 3.016 D. 2.892

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