Answer:
5n-9
Step-by-step explanation:
You can factor (15n^2-27n) to be (3n)(5n-9). When you divide this expression by 3n, 3n/3n=1, and you are left with just 5n-9. Hope this helps!
We have 13 total shapes and 7 of them meet the criteria, so the probability is:
<span>
</span>P(<span>Square or Triange) = </span>

<span>or about
0.3888.....
or
38.88%</span>
Negative is infinite
positive is dependent on whether or not a can = b etc.
I think the answer is C, but I don't even understand you're question is. do you want to know the mph they were going? if so then your answer is C