exam Maths Puzzle Numerical Ability

please help me to solve this:
find the two numbers whose sum is 13 and the sum of whose squares is 145

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exam Other Question

The length of the rectangle is 3 times its width. The perimeter of the rectangle is 160 ft. Find the length and the width of the rectangle. Solve the problem algebraically. How would I find the x intercept in the following equation: x^2-2x=1?