Sara left the city for vacation. sam left 5 hours later going 68 mph faster to catch up. after 4 hours sam caught up. what was sara's average speed?

Step-by-step explanation:

Going 68 mph faster for 4 hours, Sam closed a (68 mi/h)×(4 h) = 272 mile gap. That gap was created in 5 hours by Sara going .

 (272 mi)/(5 h) = 54.4 mi/h

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i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.