exam Maths Puzzle Numerical Ability

find the horizontal and verticle asymptotes for the function

t(x)= x-1/x^2-1

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exam Other Question

Oblique triangles:

Solve for each triangle.

B=19.3m C=28.7m A=57.0 degrees



This is all the information my book gives and I am not clear on what to do with it? I tried looking at exsamples? Can you help? Thanks.
9(t+2)=3*(t-2)