Answer:
a square has 4 sides therefore the formula for perimeter of a square would be 4a where a is the number of sides. in this case, we want to know the length of each side so we divide total length (28) by number of sides which is 4 and we get 7m
3 AND 18, the only factors
1/4
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Hope this helps you mark
Reduce the expression<span> by cancelling the </span><span>common factors</span><span>.
</span><span>9/20
</span>Exact Form:
<span>9/20</span>
<span>Decimal Form: </span>
0.45