5. At noon, Sheila left a boat landing and paddled her canoe 20 km downstream and 20 km back. If she traveled 10km/h downstream and 4 km/h upstream, what time did she arrive

back at the landing?

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

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)