The median number of points scored by 9 players in a basketball game is 12 the range of the numbers of points scored by the same basketball players in the same game is 7

The question is incomplete. Still if the question is asking for the 2 possible numbers for the smallest and highest scores, it would be 9 and 16.

Total 9 numbers. Write them in increasing order. The MIDDLE number is your Median. The range is the difference between the largest and the smallest number. So, the possiblities are:
8-1, 9-2, 10-3, 11-4, 12-5, 13-6, 14-7, 15-8, 16-9, 17-10, 18-11, 19-12. As 12 is the median, the possiblity of any other than 13-6 thru 17-10 with a lot of repeating numbers (mode) is not there. So, I chose 16 and 9.