Provide the proper response.How many vertices must there be in order to draw a connected planar network with 12 edges that separates the plane into 6 regions?
A. 16
B. 20
C. 8
D. Cannot be drawn
Answer: C
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Find the slope of the line through the pair of points.
and 
A. 
B. 
C. 
D. 
Solve the polynomial inequality. Express your solution on a number line using interval notation.x(x - 6)(x + 8)(x + 5) > 0
A. (0, ?)
B. (-8, -5) ? (0, 6)
C. (-?, -8) ? (-5, 0) ? (6, ?)
D. (-?, -8) ? (-5, 6)
Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $250,000, find each worker's salary.
A. president's salary = $62,500; department head's salary = $187,500 B. president's salary = $18,750; department head's salary = $6250 C. president's salary = $187,500; department head's salary = $62,500 D. president's salary = $125,000; department head's salary = $62,500
Solve. Round to the nearest hundredth, if necessary.5% of 700 is what number?
A. 35 B. 0.35 C. 3.5 D. 350