exam Maths Puzzle Numerical Ability

what are the roots(solutions) of xsquared-4x+1

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exam Other Question

May I please have some help finding the area?

Draw the parallelogram with vertices A(8, 5), B(17, 5), C(12, 10), and D(21, 10) on a coordinate plane. Find the area of the rectangle The area of a triangle is 13.5 square meters. Find the base and height of the rectangle if its height is 6 meters greater than its base. Use an equation and the formula area of a triangle 0.5(base)(height).