Solve the inequality algebraically. Express the solution in interval notation.x4 - 32x2 - 144 > 0

A. (-?, -6) ? (-2, 2) ? (6, ?)
B. (-6, 6)
C. (-6, -2) ? (2, 6)
D. (-?, -6) ? (6, ?)


Answer: D

Mathematics

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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).0.438?0.171?0.442?0.135?0.467?0.477?0.624

A. 1.2697 B. 0.1762 C. 1.0835 D. 0.135

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What will be an ideal response?

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Perform the operations indicated. Write your answer in simplest form.-6.4 + 6.4

A. 12.8 B. 0 C. -12.8 D. -6.4

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Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.2.772

A. 2.772, 2.80, 3 B. 2.772, 2.77, 2.8 C. 2.77, 2.7, 2 D. 2.773, 2.77, 2.7

Mathematics