Use the Binomial Theorem to expand the binomial and express the result in simplified form.(5x - 5y)3

A. 125x3 - 125x2y + 125xy2 - 125y3
B. 125x3 - 375x2y + 375xy2 - 125y3
C. 25x3y - 25x2y2 + 25xy3
D. 25x3y - 50x2y2 + 25xy3


Answer: B

Mathematics

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Solve the problem.A lake lies between A and C, and lines AB and DE run north-south. If  = 7.1 mi,  = 1.1 mi, and  = 2.5 mi, how far is it from A to C? Round to the nearest tenth.

A. 16.0 mi B. 13.6 mi C. 3.1 mi D. 16.1 mi

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Insert <, >, or = to make the statement true.-47    -85

A. < B. = C. >

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Write in decimal notation.8.35 × 10-4

A. 0.00835 B. -835,000 C. 0.000835 D. 0.0000835

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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. {(2, 10)} B. no solution; ? C. {(-3, 10)} D. {(3, 9)}

Mathematics