ON FINAL TEST! I need help asap please! any help is appreciate!​

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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. ?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1