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What is the circumference of a circle whose diametre is 6 metres? What is the unit for measuring small volumes such as for liquid medicines? How could you measure such a volume? What is the formula weight of sodium chloride I get 58 but the answer is 62 so what am i missing? A submarine first went down to 725 feet below sea level. It then went up 150 feet. what was the final depth of the submarine? How to Write the expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2 in simplest form?