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Mathematics
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Provide an appropriate response. Write as a complex number: -6
A. -6 - 6i B. -6 + 0i C. 0 - 6i D. 0 + 6i
Mathematics
Find all values of x such that y = 0.y = 2[5x - (6x - 1)] - 7(x - 1)
A. {-1}
B. {1}
C. 
D. 
Mathematics
Determine the vertex of the graph of the parabola.y = x2 - 4x + 7
A. 
B. (2, -4)
C. (2, -3)
D. (2, 3)
Mathematics
A travel agency will plan a tour for groups of size 8 or larger. If the group contains exactly 8 people, the price is $800 per person. However, each person's price is reduced by $10 for each additional person above the 8. If the travel agency incurs a price of $100 per person for the tour, what size group will give the agency the maximum profit? ??
A. 
B. 
C. 
D. 
E. 
Mathematics