Factor the polynomial as the sum or difference of two cubes.64x3 - 1

A. (64x - 1)(x2 + 4x + 1)
B. (4x + 1)(16x2 - 4x + 1)
C. (4x - 1)(16x2 + 1)
D. (4x - 1)(16x2 + 4x + 1)


Answer: D

Mathematics

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Write the sample space for the experiment. Two questions are answered on a questionnaire, the first identifying gender as male or female and the second identifying marital status as single, married, divorced, or widowed.

A. S = {(male, single), (male, married), (male, divorced),(female, married), (female, divorced), 
B. S = {(male, female), (single, married, divorced,widowed)}
C. S = {male, female, single, married, divorced, widowed}
D. S = {(male, single), (male, married), (male, divorced), (male, widowed), (female, single),  (female, divorced), (female, widowed)}

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The magnitude of earthquake 1 is 5.4.  If earthquake 2 is 14.13 times as intense as earthquake 1, find the magnitude of earthquake 2. Round your answer to 1 decimal place. ?

A. 6.6 B. 4.3 C. 19.5 D. 7.3

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Perform the following calculations.(+8)(-7) - (-1)(-21)

A. -35 B. -19 C. -77 D. -21

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Find the requested sum of the arithmetic sequence.20, -39, -98, ...; S10

A. -2455 B. 2555 C. 2855 D. -2555

Mathematics