Solve.
- 
= 
A. -9
B. -9, -18
C. -18
D. empty set solution
Answer: D
Mathematics
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Sketch a typical level surface for the function.f(x, y, z) = x - y2 - z2
A. 
B. 
C. 
D. 
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Decide if an Euler circuit exists for the graph.
A. No B. Yes
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Solve the problem.A small country consists of seven states; there are 160 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown in the table. 
Find the apportionment for state D using Webster's method.
A. 23 B. 26 C. 25 D. 24
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Solve the problem.Find the radian measure of the central angle ? which intercepts a 60 cm arc in a circle of radius 20 cm. Round to one decimal place, if necessary.
A. 4 radians B. 3 radians C. 0.3 radians D. 2 radians
Mathematics