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Maths Puzzle
Numerical Ability
The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of the rectangle.
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book Other Question
Solve by completing the square:
w^2 - 2w- 15 = 0
Solve
x^2 + 2x - 8 < or = to 0
I need some help with this problem.
Perform the indicated operation involving rational expressions:
(2x+6/7y) - (x^2+5/x^2+6x+9)