Solve.z4 - 9z2 + 18 = 0
A. 
, 
B. 
, 
C. ±
, ±
D. 
, 
Answer: C
Mathematics
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Solve the problem.A small city has 50 police officers to be apportioned among 8 precincts based on the population of each precinct. The populations are given in the following table. 
Find the apportionment for the Seventh Precinct using Adams' method.
A. 7 B. 6 C. 5 D. 4
Mathematics
Subtract.60,000 - 41,979
A. 18,021 B. 91,979 C. 21,979 D. 102,461
Mathematics
Rationalize the denominator.
A. 7
- 1
B. 7
+ 7
C. 
D. 7
- 7
Mathematics
Solve.How many different three-digit numbers can be written using digits from the set {3, 4, 5, 6, 7} without any repeating digits?
A. 20 B. 120 C. 10 D. 60
Mathematics