What is the answer? show work 15x30x5=

In the 30-60-90 triangle below side s has a length of and side r has a length

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. ?

What is the value of x in the this question ?