Plz help me no this math

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 x3+3x2−16x−48 divided by x−1?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set