find the missing leg of the triangle using a squared plus b squared equals c squared. if one side is 21, one is 15.what would the other side be? 6, 216, 14.69, 14.70

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. ?

25 ! i need asap! ! ill mark brainliest!

Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz