exam Maths Puzzle Numerical Ability

determine if the following problem is rational or irrational. sqrt(625) please help

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Tutor I have the following problem, can you help me? Solve –2 < 2x + 1 ≤ 6

Thanks to you! Can anyone give me some help with this? I need the steps and solution:


Factor completely



-3t³ + 3t² - 6t