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Maths Puzzle
Numerical Ability
Simplify: -12^-2
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book Other Question
A director of a zoo wants to use 170 meters of fencing to enclose a petting area of 1750 meters squared. Find the dimensions of the petting area.
Yikes nobody I know knows this stuff. Please Help
Thanks bunches.
2/3y + 4 = 2x
secondly
1/2(y + 5) + 4x = 3x