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Which measurement is more precise: 12.3 meters or 16.52 meters? True or false. A rational equation can have no solution.? i believe that answer is true. Am I right? Combination problem? 4 teams play each other once with a win awarding 3 points, a draw 1 point, and a loss 0 points.? Find dy/dx using substitution method of differentiation. Y=cos (x+e^x)? Verify lagrange's (mean value theorum) theorum for root x^2 - 1 in [2,4]?