exam Maths Puzzle Numerical Ability

Hi, can you help me?
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Linear regression
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Here is the problem
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....Year.......!....Number of triplets
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....1990 (0).!....2830
....1995 (5).!....4551
...2000 (10)!....6

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exam Other Question

Graph the equation and identify the y-intercept
y=1/4x The 1/4 is a fraction. 1) how do you write in slope-intercept form of the line that passes through (6,-13) and is perpendicular to the graph 2x-9y=5?

2) (-3,1), y=1/3x+2

3) (6,-1), 3y+x=3