PLS HELP MEH PLLLS

Write an inequality and solve each problem.

Find the length of cu, the triangles are similar.

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. ?

For what value of (y) is 3^3/3^y =1/9