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Maths Puzzle
Numerical Ability
the perimeter of a rectangle is 160 ft. One fourth the length is the same as twice the width. Find the dimensions of the rectangle.
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book Other Question
Graphing a compound linear inequality on the number line
Graph the portion of the number line containing all points for which
x<_ -2 or x >_ 3 (Note: I couldn't get the dash
how do u do quadratic formulas?