Which pair of polynomials are equal to each other when x=0?(1 point) (x−1)(x2+x+1) and (x+1)(x2−x+1) (x−2)(x−3)(x−4) and x3−[3−(x+3)3] x3−2x2+4x−8 and (x+2)2−4(x−2)−4 (5−x)(−5+x) and (x+4)(x−4)+(x+3)(x−3)

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.