Answer this please i need it

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. ?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?