Find the indicated cross product.v = -3i - 3j + 4k, w = -5i - 4kFind v × w.

A. -12i + 32j + 9k
B. 12i + 8j + 15k
C. -15i - 12j + 32k
D. 12i - 32j - 15k


Answer: D

Mathematics

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Add or subtract horizontally.Add -5x4 - 6x3 - 3x2 + 6x - 9, -5x2 + 4x, and -5 + 3x2 + x3 - 2x4.

A. -7x4 - 5x3 + 5x2 + 10x - 14 B. -7x4 - 5x3 - 5x2 - 10x - 14 C. -7x4 - 5x3 - 5x2 + 10x - 14 D. -7x4 - 5x3 - 5x2 + 10x + 14

Mathematics

Calculate.-4 - |(-18) + (-13)|

A. 27 B. -27 C. -35 D. 35

Mathematics

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log70.563

A. -3.387 B. -0.249 C. -0.295 D. 12.433

Mathematics

Use synthetic division to find the quotient and the remainder.

A. quotient: 3x4 - 2x3 + 4x2 - 6x + 12; remainder: -25 B. quotient: 3x4 - 2x3 + 6x2 - 12; remainder: 23 C. quotient: 3x4 - 2x3 + 4x2 + 6; remainder: -13 D. quotient: 3x4 + 2x3 + 4x2 + 8x; remainder: -15

Mathematics