book Maths Puzzle Numerical Ability

Create a pair of equations for each situation:
a pair of equations that would have
a) parallel slopes
b)a perpendicular slope

describe the properties of each system of eq

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book Other Question
In a right triangle, angle A = 41 degrees and a = 20 in.; find c to the nearest hundredth. a rectagular pond measures 3m by 5m. A concrete walk of uniform width is constructed around the pond. If the walk and pond together cover an area of 39M squared, how wide is the wa