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¿Cuantos triangulos tiene un eneagono? ​

Which statement justifies why angle ebc measures 90?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8