exam Maths Puzzle Numerical Ability

I need some help, can somebody help me?



(-1/8x^7)(-1/9x)

Thanks

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exam Other Question
y=-(x-1)2 -4
find p, axis of symmetry, veritces, foci, directix for this parabola. Thank-you!

-2 squareroot of 243 + 8 square root of 48 - square root of 108