I need help dont understand.

Ifigured out the question and i dont know what to put here

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

How are sas and sss used to show that two triangles are congruent?