Can someone explain this to me in simple and clear steps. I seem to be confused from all the percents thrown at me. Would be thankful if someone helped!

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Which of the following expressions is equal to 2x^2+8

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)