exam
Maths Puzzle
Numerical Ability
how do i determine whether the graphs of the equation are perpendicular lines?
4y=x+5
9y+3x=2
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exam Other Question
Find the iength and width or a rectanguler lot with a perimeter of 88 meters if the length is 4 meters more than the width.
I need help solving this problem Thanks
simplify
-9(y-1)