A=LW
7x^3-42x^2=L(7x^2)
7x^2(x-6)=L(7x^2)
divide both sides by 7x^2
x-6=L
legnth=x-6
13. biased becasue they call documentary boring and action movie exiting, that is subjective, they should say, documentary or action movie, and not dexscribe it
14. survey in health club
helathy peopel probably don't drink alot of differnt beverages (maybe only sports drinks or water)
biases
12. L=x-6
13. biased
14. biases