Factor out the greatest common factor.18x9y7 - 42x6y5 + 12x3y3
A. no common factor
B. 6(3x9y7 - 7x6y5 + 2x3y3)
C. 6x3y3(3x6y4 - 7x3y2 + 2)
D. 6x3(3x6y7 - 7x3y5 + 2y3)
Answer: C
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Decide whether the statement makes sense. Explain your reasoning.The total number of teachers in a school district is larger this year than last. nevertheless, using the Webster apportionment method, one of the schools was assigned fewer teachers than last year.
What will be an ideal response?
Convert between English and Metric System of Units.
18,000 lb = 
T
A. 9
B. 10
C. 8
D. 9
Simplify. Assume that all variables represent positive real numbers.2
+ 2
A. 9
B. 2
C. 18
D. 18x
Solve the problem. Use ? ? 3.14, as needed. For the target shown below, find the probability of hitting the shaded area. Assume that each point on the target is equally as likely to be hit.
A. 
B. 
C. 
D. 