Twelve sections of 3" pipe that is 57.8" long are used to construct a framework. How many standard 21' lengths of pipe must be used to cut the sections?

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. ?

Find the quotient with the restriction.

What is always true about a positive integer raised to a negative odd power?