Factor completely.75a4 - 147b2
A. 3(5a2 - 7b)2
B. 3(5a2 + 7b)(5a2 - 7b)
C. 3(5a2 + 7b)2
D. (15a2 + 21b)(5a2 - 7b)
Answer: B
Mathematics
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Simplify. Unless otherwise specified, assume that variables can represent any number.- 
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Determine if the series converges or diverges. If the series converges, find its sum.
A. converges; 
+ 
B. converges; 
+ 
C. converges; 
+ 
D. diverges
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Find the limit using 
= 1.
A. 1/4 B. 1 C. 4 D. Does not exist
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Solve the problem.Use the formula P = Iekt. A bacterial culture has an initial population of 10,000. If its population declines to 4000 in 6 hours, what will it be at the end of 8 hours?
A. 2947 B. 1474 C. 2530 D. 3000
Mathematics