Factor completely.25x2 + 20x + 4
A. Prime
B. (5x + 2)2
C. (5x + 2)(5x - 2)
D. (5x - 2)2
Answer: B
Mathematics
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Express in terms of i.
A. ±6
B. i
C. 6i
D. -6i
Mathematics
Simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem using your calculator.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). What is the correlation coefficient?
A. -0.071 B. 0.235 C. 0.246 D. 0.708
Mathematics
Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
Mathematics