exam Maths Puzzle Numerical Ability

Simplify rational expression. Factor first.

x^2-16/x^2+8x+16=

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exam Other Question

Please hlep with this problem.
if x represents his original number of rabbits, then
1/2x -2=1/3(x-2)

please and thank you for any help 1700+2x/3+140/3+2x/9=