Perform the indicated operations. Simplify if possible.
- 
+ 
A. 
B. 
C. 
D. 
Answer: A
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Find the mode or modes.The table shows the country represented by the winner of the 10,000 meter run at a certain international competition in various years.YearCountry2001F2002F2003F2004F2005 P2006F2007C2008C2009R2010R2011U2012K2013F2014F2015E2016I2017M2018MFind the mode of the country data.
A. M B. F C. R D. C
Find an equation of the line passing through the two points. Write the equation in standard form.(10, 9) and (10, 1)
A. x + y = 11 B. y = 9 C. x = 10 D. x + y = 19
Find the vertices of the ellipse.
+ 
= 1
A. (3, -2), (3, 6) B. (3, -1), (3, 5) C. (3, -3), (3, 7) D. (-3, 2), (7, 2)
Factor out the greatest common factor.20x7y8 - 40x5y4 - 12x2y2
A. 4x2y2(5x5y6 - 10x3y2 - 3) B. Prime polynomial C. 4x2(5x5y8 - 10x3y4 - 3y2) D. 4(5x7y8 - 10x5y4 - 3x2y2)