STARING TOMMOROW, WE SUBMIT REPORTS TO REMOVE KATIE
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Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

In which form is the following function written? y = - 2(x – 3)(x + 5)

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle