exam Maths Puzzle Numerical Ability

Need help with this question. Find the domain and range of the reation R= {(x,y)| y<= 2x, x and y positive integers less than 6}.

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exam Other Question

Factor the following trinomial:

16x^2 + 40xy + 25y^2

I am still a little confused by this stuff. I hope that someone can help me understand???? How would this be translated?
Williams offers new scholarships if and only if either Amherst reduces class size or Smith does not hire new faculty.