Simplify the expression $x - 2(1+x) + 3(1-x) - 4(1+2x)$.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters