exam
Maths Puzzle
Numerical Ability
how do I figure out 2x^-3*y^-2/z^4
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exam Other Question
The length of a rectangular playing field is 5 ft less than twice its width. If the perimeter of the playing field is 230 ft, find the length and width of the field.
please someone show me how can i solve the following system of linear inequalities by graphing.
x - 2y  4
x  4