exam
Maths Puzzle
Numerical Ability
the perimeter of a retangle is 16 meters and its length is 2 meters more than twice its width. what is its length?
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exam Other Question
if the line containing points (-8,m) and (2,1) is parallel to the line containing points (11,-1) and (7,m+1), what must be the value of m?
Solve each of the following systems by substitution.
5x - 2y= -5
y - 5x = 3
8x - 4y = 16
y = 2x - 4
4x - 12y = 5
-x + 3y= -1