Solve this for me (geometry)

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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