Adj has a total of 1075 dance, rock, and country songs on her system. the dance selection is three times the size of the rock selection. the country selection has 105 more songs than the rock selection. how many songs on the system are dance? rock? country?

! this has to do with substituting linear equations.

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is