Awindow washer has an 18 ft ladder. he needs to reach the bottom of a window 16 feet off the ground. how far out from the building should the base of the ladder be

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.