Use Pascal's triangle to expand the binomial.(5x - 4y)3

A. 25x3y - 20x2y2 + 16xy3
B. 125x3 - 300x2y + 240xy2 - 64y3
C. 125x3 - 100x2y + 80xy2 - 64y3
D. 25x3y - 40x2y2 + 16xy3

Answer: B

Mathematics

Solve.A line is subdivided according to the golden ratio, with the smaller piece having a length of 4 meters. What is the length of the entire line?

A. 6.4 m B. 20.8 m C. 8 m D. 10.4 m

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Mathematics

Evaluate the expression to determine the entry missing from the table.

A. 2 ? -5 ? 3 is -30 B. 2 ? -5 ? -5 is -30 C. 3 ? -5 ? 3 is -45 D. 3 ? -5 ? 3 is -30

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Mathematics

Solve the problem.A baseball manager has 11 players of the same ability. How many 9 player starting lineups can he create?

A. 99 B. 362,880 C. 55 D. 19,958,400

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Mathematics

Find an expression for the general term, an.64, -16, 4, -1, . . .

A. a_n = 64(-4)^{n - 1}
B. a_n = 64^{n - 1}
C. a_n = 64^{n - 1}
D. a_n = 64^{n - 1}

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Mathematics