Find the sum.-82 + (-21)

A. -61
B. 61
C. 103
D. -103

Answer: D

Mathematics

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A.  + 
B.  + 
C.  +  + 
D.  + 

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Find the foci of the hyperbola. : x² - 5y² - 10 = 0

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Use "intersect" on a graphing calculator to solve the equation.x - x = 2

A. -16 B. 14 C. 16 D. -14

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