Solve the problem.The Family Fine Arts Center charges $20 per adult and $14 per senior citizen for its performances. On a recent weekend evening when 423 people paid admission, the total receipts were $6612. How many who paid were senior citizens?
A. 308 senior citizens
B. 205 senior citizens
C. 115 senior citizens
D. 218 senior citizens
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
Solve the problem.The curve y = ax2 + bx + c passes through the point (2, 32) and is tangent to the line 
at the origin. Find a, b, and c.
A. a = 6, b = 4, c = 0 B. a = 0, b = 6, c = 4 C. a = 7, b = 0, c = 0 D. a = 4, b = 0, c = 6
How many ways can a chair, a recording secretary and three other committee members be selected from a group of 8 people?
A. 56 B. 1120 C. 6720 D. 3136
Factor the trinomial completely.x4 - 9x3 + 14x2
A. (x2 - 2)(x2 - 7) B. x2(x - 14)(x - 1) C. x2(x + 2)(x + 7) D. x2(x - 2)(x - 7)