exam Maths Puzzle Numerical Ability

2y-4x=-3
y=2x+4

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exam Other Question

The length of a rectangle is 5 cm more than 4 times its width. If the area of the rectangle is 80 cm2, find the dimensions of the rectangle to the nearest thousandth.

Please Help! Use the quadratic formula to solve each of the following quadratic equations.

2x^2-5x=3

thank you