exam Maths Puzzle Numerical Ability

Find the slope of the line: y+4=6(x-5)

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tan^2([pi]/2-[theta])csc^2[theta]+csc^2[theta]=1/sin^4[theta] can you help me verify if this is correct This is from a worksheet.
Write the equation of the line that passes through point (1,-8) with a slope of 0.
A) x=-8
B) y=1
C) y=-8
D) x=1

If the slope is zero, I came up with x=-8. Is that correct?