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How many edges in a circle? What do people do when they are fine and everythings good? How do i know what to do now that ive reached my goals? 0.8 litres water is how many cups? Number Theory: Find the roots of 4x^2+6x+1 in Z11 (could you please explain step by step? THANKS!)? Diameter of a wheel 80cm. If the wheel rotates through an angle of 200degrees, how many cm does it move? Show steps please!?