Finding an irrational number between which given pair of numbers supports the idea that irrational numbers are dense in real numbers?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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. ?