Perform the operation and give the answer in Hindu-Arabic form.

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A. 357

B. 93

C. 217

D. 113

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Answer: B

Mathematics

Solve the problem.Sales of cassette tapes at a local music store decreased approximately linearly from 1,400,000 cassettes in 1988 to 11,000 cassettes in 1993. Find the rate of change of sales per year.

A. 277,800 cassettes per year B. -2580 cassettes per year C. -277,800 cassettes per year D. -27,780 cassettes per year

Find the least common denominator. , 

A. 7a(a - 8) B. 7a3(a - 8)2 C. 7a2(a - 56) D. 7a2(a - 8)

Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.

A. {1, 2, 3, 4, 5, 6, 7, 8, 9} B. {1, 2, 3, 4, 5, 7, 8, 9} C. {1} D. {0, 2, 3, 4, 5, 6, 7, 8, 9}

Solve the problem.Stuart bought 12 ounces of cereal at $1.81 per pound. How much did he pay?

A. $1.81 B. $0.41 C. $1.36 D. $21.72