Please elaborate more on your question so I can help you
<span>(9.6-12 m/s)/(0.8 s) = (-3 m)/s^2 north</span>
Excellent 9%
Good 41%
Fair 36%
Poor 13%
Other 1%
I don't know if this will help but.
Expand: (x+5)(x+5)
Multiply: (x^2)(10x)(25)
Distrib. Prop: the same as line before
Multiply: (x^3)(5x^2)(10x^2)(50x)(25x)(125)