Factor completely.4x2 - 20x + 25y2
A. (5x + 2y)2
B. Prime
C. (2x - y)2
D. (5x - 2y)2
Answer: D
Mathematics
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Simplify the power of i.
A. -i B. 1 C. -1 D. i
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Solve.xy - x2 = -20x - 2y = 3
A. (5, 1) and 
B. (-5, -1) and 
C. (-5, -1) and 
D. (5, 1) and 
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 0, x = -4 B. x = 4 C. x = 3 D. x = -4
Mathematics
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant C to pollutant A.
A. 
B. 
C. 
D. 
Mathematics