Chapter 3

a. Explain why this is true. [Hint: 60 mph = (?) miles per minute.] b. What would your average speed need to be, in kph (kilometers per hour), in order for the duration of the trip in minutes to be about the same as the number of km you have to travel? 19. Find the perimeter of a regular hexagon with a side of length 8 mm. Convert the answer to cm. ................
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