exam Maths Puzzle Numerical Ability

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sqrt2sinx = 1

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exam Other Question

You have two vertical angles. One measures (4x+2) degrees. The other measures (5x-13) degrees. What is the measure of each angle? The graph of the function f(x)=mx+b contains the points (r,8) and (2,s). Express s in terms of r if the graph is parrallel to the line 2x+7y=22.