Okay can you guys help me find which one is the variable. And like what it means for like example x could equal to distance in km

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)

Which statement explains the relationship between corresponding terms in the table?