Mr. Brown is going to start sleeping an extra 30 minutes each night. If d
represents the number of days, which of the following expressions shows how many more hours of sleep Mr. Brown will get in a week?

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. ?

How can you find the mean absolute deviation (mad) for this set of data?

What is the sum of these mixed numbers 4 2/3+ 3 1/9