There are 11 pens in a bag, 4 Green and 7 Blue. What is the probability of picking the same coloured pens?

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Solve 5(x + 3) < 60


How do you find the turning point of a quadratic equation?


Solve this equation; 5x - 4 = 3x + 7


The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.


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