exam
Maths Puzzle
Numerical Ability
(y^2-2)/(7y^4*3y^2-14)
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exam Other Question
Simplify
3(m^-3)^-2nm^3b^-1/mm^2m^0m^-7(m^3)^3
Solve each of the following systems by substitution.
5x - 2y=-5 y - 5x = 3