book Maths Puzzle Numerical Ability

How would I write an equation of the line parallel to the line l and which passes through point P?
ex: l: y=2x-4 P(2,5)
ex: l: y=1/2x+5 P(o,4)

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book Other Question

write the equation of the given conics in standard form via completion of the square:
1) Y^2-12X-8X+20=0
2) 16X^2-16Y^2-4X-28Y+66=0

THANK YOU manager of a furniture factory finds that it cost $2200 to manufacture 100 chairs in 1 day, and $4800 to produce 300 chairs in one day. assuming that the relationship between cost