How many inches are in 5 feet

Which of the following is correct interpretation of the expression -4+13

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. ?

Which statements regarding efg are true? check all that apply.