exam Maths Puzzle Numerical Ability

PQR is an isosceles triangle such that , QP=QR=13cm and the altitude PS=12cm . Find the length of PR ? PLS HELP . Thanks

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A farmer has 26 meters of fencing available to enclose a rectangular region. he wants the rectangular garden to have an area o 40 square meters. find the dimension of the garden. using the equadratic equation y = x^-6x+8=0
a)solve by factoring
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b)solve by using the quadratic formula
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for the function y=x^-6x+8, perform the following t