exam Maths Puzzle Numerical Ability

y=39-6x
x+3y=15

What are the coordinates on a graph for these equations?

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exam Other Question

Solve the triangle, if possible.
Angle A = 30.0 degrees, side a = 17.87 and side b = 35.74 The second hand on a clock is 6 inches long. How far does the tip of the hand move in 40 seconds?