The tallest man in history was Robert Wadlow and the shortest man was Joseph Boruwlaski. Robert was 68 inches taller than Joseph. The sum of their heights was 146 inches. How tall was each man?
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Josephs height is
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C
2
Roberts height is
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Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?