exam
Maths Puzzle
Numerical Ability
The width of a rectangle is 9cm. shorter than its diagonal and 7cm. shorter than its length.How long is the diagonal?
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Tutor my problem is to multiply (x+2y)^4 is this 3 to the 4th power making it 19*9?? Would it be 3x3x3x3?
Thank you
4! x 6!