Answer:
2/7
Step-by-step explanation:
The quotient is ...

A common factor of -8 can be cancelled from numerator and denominator.
Accurate. A reflection will change the direction the vertices trace around the figure. A rotation preserves the change.<span>
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Divide 600 by 3 and get 200
so the possible dimensions would be 200 by 200by 200
If there are 70 chairs but only 20 rows then that means he will have to set up 3.5 chairs per row, or Brook could set up 14 rows with 5 chairs in each row.
Srry if that didn't help but that's what i got from that.