Please Help! I'm really stuck on this question 6th Grade Math

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Find percent notation for 0.008 0.008=

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. ?