If an airplane flying at a constant rate of speed covers 800 mi. in 4 hr., how fast is it flying? A. 100 mph B. 150 mph C. 200 mph D. 300 mph

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Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

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