exam
Maths Puzzle
Numerical Ability
how do I solve the following system of linear equation
4x +2y = 4
Y = 2 - 2x
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exam Other Question
I need help with this problem please
factor each expression
y2-81
reduce rational expression terms; there are no non-zeros
1) a square -b square over a-b
2) 3x-6 over x square- 4x+4