exam Maths Puzzle Numerical Ability

help to simplify

-2^2 - (-2)^2 - absolute vale of 2^2 - 3^2 end absolute value - 1/-2^3 - 3^0(-2^3 - 3^2)

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exam Other Question

List all numbers for which each rational expression is undefined:

14 over -5y

show work
-3|y-3|=9