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Maths Puzzle
Numerical Ability
The length of a rectangle is 3x+4y feet, and the width is 2x-3y feet. compute the perimeter and the area.
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book Other Question
Suppose that $4,000 is invested at 6% compounded weekly. How much money will be in the account in
(A) l/2 year
(B) 10 years?
Can someone please show me how to do this:
(s+3)(s-3)