exam Maths Puzzle Numerical Ability

What is the formula for number 34?

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exam Other Question

I have a couple quick questions.

1.)Divide (30b^3+20b^2+25b+41)/(5b+5)

2.)Subtract and simplify (7-x/x-6)-(7x-9/6-x)
I got 6x-2/x-6 is theis correct or does it simplify even determine the x-intercept for the line given by y=(2/3)x-6