exam Maths Puzzle Numerical Ability

Find the equation of the line passing through the point (-1,6) and parallel to the line -2x+y=9 and B) perpendicular to the line -2x+y=9

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exam Other Question

Train A leaves a station traveling at 32 kilometers per hour. 4 hours later, train B leaves the same station traveling in the same direction at 52 kilometers per hour. How long does it take train B to catch up to train A? Solve the following sytem by substitution:
4x - 12y = 5
-x + 3y = -1

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