Factor the trinomial.z2 - 2z - 80
A. (z + 8)(z - 10)
B. (z - 80)(z + 1)
C. (z - 8)(z + 10)
D. (z - 8)(z - 10)
Answer: A
Mathematics
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dx
A. - 
+ C
B. - 
+ C
C. 
+ C
D. - 
+ C
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Solve the equation.(6.2)2 = (13.3)2 + (15.5)2 - 2(13.3)(15.5)cos ? for 0° < ? < 90°
A. 58.1 B. 25.3° C. 21.3° D. 23.3°
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Solve the rational equation.
+ 
= 
A. {2} B. {34} C. {0} D. {1}
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Find the area of the shaded square. 
(12x - 7) feet
A. (144x2 - 168x + 49) sq ft B. (144x2 + 168x - 49) sq ft C. (144x2 + 168x + 49) sq ft D. (144x2 - 168x - 49) sq ft
Mathematics