Evaluate the expression. All numbers are approximate. State your answer with the proper accuracy and precision.7 + (-4)3 - (-4)9
A. -262,073
B. 262,087
C. -262,201
D. 300,000
Answer: D
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Find the vertex for the parabola whose equation is given.y = 6x2 + 12x - 9
A. (1, 9) B. (2, 39) C. (-1, -15) D. (-2, 3)
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
C. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 
D. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 
Give two interpretations of the shaded region.
Find the midpoint of the segment having the given endpoints.
and 
A. 
B. 
C. (484, 100)
D. (0, 16)