exam Maths Puzzle Numerical Ability

Find the perimeter and Area of a square with sides of 3 inches

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exam Other Question

I need help with pre-algebraand algebra i think it will help me if I had example problems.I have touble remembering formulas.I am trying to get into a selective enrollment highschool, and i am barely getting by in math.Please help me. y-8
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2Y^2+Y-1 What is the Domain?