First we need to count the total number scores. This can be done from the stem and leaf plot. The total number of scores are 19. The total number of values is odd, so the median position will be:

Thus the 10th score is the median score for the class of Mr. Robert. The 10th score from the stem and leaf plot is 81.
Thus 81 is the median score of Mr. Robert's Class.
Divide 54 by 3 which will get you q=18
41 a squared plus b squared equals c squared so it would be 41 have a nice day
Answer:
around 190
Step-by-step explanation: