Add or subtract as indicated.-1.9 + 6.2

A. 8.1
B. -4.3
C. -8.1
D. 4.3

Answer: D

Mathematics

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A. x3 - 5x2 + 25x - 125 + 
B. x3 + 5x2 + 25x + 125
C. x3 + 5x2 + 25x + 125 + 
D. x3 + 5x2 + 25x + 125 + 

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Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (±3, 0); length of the major axis is 8

A.  + 
B.  + 
C.  + 
D.  + 

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Express the following in interval notation.

A. (-?, -1] B. [-1, ?) C. (-?, -1) D. (-1, ?)

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Find the product.(6x - 1)(x2 - 3x + 1)

A. 6x3 - 18x2 + 6x + 1 B. 6x3 - 17x2 + 3x - 1 C. 6x3 - 19x2 + 9x - 1 D. 6x3 + 19x2 - 9x + 1

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