2. Express each of the following ratios in simplest form: (i) 15:25 (ii) 49:35 (iii) 90 : 72 1 1 3 4 5 (U) 111: 259 (vi) (vii) 6 8 4. 5 6 (iv) 146: 365 (viii) 2 3 3 4 5 6
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A compass is a device that indicates direction. It is one of the most important instruments for navigation. ... Magnetic compasses consist of a magnetized needle that is allowed to rotate so it lines up with the Earth's magnetic field. The ends point to what are known as magnetic north and magnetic south.
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