exam Maths Puzzle Numerical Ability

Describe a situation that you can represent using the inequality x is greater or equal to 18 x > 18

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exam Other Question

Use the quadratic formula to solve the following quadratic equation. __
4x^2+ 5x = 6
i need help solving these questions:
1. 6y/6y-14(divide) 21/9y-21(divide) y^2/35
2.2x-y/2y-x(divide)4x^2-y^2/4y^2-x^2