Which method should be used for x? 2.5x=5.7

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

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