What has one set of parallel lines and two right angles
2 answers:
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Divide 
by 5. Or multiply it by 1/5.
You get - 56/25 or
pounds per month.
You get - 56/25 or
You want to be finding out what two factors (where one of them is a perfect square) has the produce of 63. It seems like 9 x 7 (9 is the perfect square) works.
The square root of 9 is 3 so we can just have
(which just means 3 times the square root of 7).
The square root of 9 is 3 so we can just have