Determine the percentage gold composition of the coin
A U.S. $20 gold piece has a mass of 33.44 grams and displaces 1.935 cm^3 of water. If the coin is known to consist of only gold (Pau = 19.3 g/cm^3) and copper ( Pcu = 8.9 g/cm^3), what is the percentage gold composition of the coin?
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Andrea flew at 170 mph on a course with a bearing of 80 degree, and Carlos flew at 230 mph on a course with a bearing of 120 degree. How far apart were they after 6 hours.
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Consult with the person to identify breaches of human rights and respond and report according to organisational policies and procedures