exam Maths Puzzle Numerical Ability

f(x) = x^2-x-2; find (a) f(0) (b) f(-2) and (c) f(1)

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exam Other Question

If the height of a rectangle is 9 3/4m and the base is 5 3/5m, what is the perimeter of the rectangle?
Could someone please explain how to factor the following equation:
3
8x +27
The 3 over the x is an exponent.
Thank You