Find a vector equation and parametric equations for the line. (use the parameter t.) the line through the point (0, 12, −9) and parallel to the line x = −1 + 3t, y = 6 − 4t, z = 3 + 6t

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. ?