Find the number of subsets of the set.{1, 2, 3, ..., 9}

A. 1024
B. 508
C. 512
D. 16

Answer: C

Mathematics

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Solve the problem.The sides of a triangle are 9 inches, 10 inches, and 11 inches. If the shortest side of a similar triangle is 45 inches, find its longest side.

A. 49 inches B. 10 inches C. 50 inches D. 55 inches

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Find Pk+1 from the given statement Pk.Pk: 5 + 10 + 15 + . . . + 5k = 

A. Pk+1: 5 + 10 + 15 + . . . + 5k + 5(k + 1) = 
B. Pk+1: 5 + 10 + 15 + . . . + 5k + (5k + 1) = 
C. Pk+1: 5 + 10 + 15 + . . . + 5k + 5(k + 1) = 
D. Pk+1: 5 + 10 + 15 + . . . + 5k + (5k + 1) = 

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Multiply.-(14)

A. 0 B. 14 C. -14 D. -1

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Solve the equation.43x - 1 = 16

A. {1} B. {0} C. {3} D. {2}

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Mathematics