Factor out the greatest common factor.28p2q2 + 20pq3 + 16p4q5
A. 4pq(7pq + 5q2 + 4p3q4)
B. 4pq2(7p + 20q + 16p3q3)
C. 4p2q2(7 + 5q + 4p2q3)
D. 4pq2(7p + 5q + 4p3q3)
Answer: D
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A. 
B. 1
C. 0
D. 
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A. 920 people B. 919 people C. 46,000 people D. 50 people
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