exam Maths Puzzle Numerical Ability

how far apart are the y-intercepts of the line with the equation y=2x+3 and the line that goes through the point (4,2) and has a slope of negative one?

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exam Other Question

In parallelogram ABCD, angle A=x degrees and angle B= (3x)degrees. Find m < B To whom may it concern,

I have encountered problem to do this question.

The angle of elevation of the top of a post from a point on level ground 38 m away its 33.23�. Find the height of the post.

Please help. Thanks a lot.

CH Lam