exam Maths Puzzle Numerical Ability

2a+15 over a^2-7a+12 - 11a over a^2-7a+12 =

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exam Other Question

Simplify:
(5-i squrt3)(5+i sqrt3)
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Carolyn:) Could I please get some help with finding the vertex, axis of symmetry, x-intercept(s), y-intercept, focus and directrix for the parabola. If possible, a graph of the parabola wou