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Answer:
15,600 meters
Step-by-step explanation:
there are 3600 seconds in an hour. if you divide that by 15 you get 240. multiply 65 by 240 (which is every 15 seconds) and you get 15,600
400% of 8 is 32, so it is greater than 10, less than 100
Step-by-step explanation:
(12x - 19y) (12x + 19y) = 144x^2-361y^2