Calculate.5 ? 42 + 2 ? 6 - 8( 9 + 1)

A. 12
B. -48
C. 21
D. 332

Answer: A

Mathematics

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Find the requested measurement.The point (-2, -3) is on a circle that has center (10, -3). Find the length of the diameter of the circle.

A. 24.5 B. 23 C. 24 D. 12

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Solve. = x + 2

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If possible, find the matrix product.Given A = ; and B = , find AB.

A. AB = 
B. AB = 
C. AB = 
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