Answer:
(p-1)(b+9)
Step-by-step explanation: Both terms are a(b+9), but one term has a=p and the other is -1. So add them and get the answer
To do groups of 9, she could make 2 rows of 9. To do 3, she could do 6 rows of 3. Last, to do 6 she could do 3 rows of 6. :)
I think Theodosius the best measure. The outliers will not effect the measure. If you use mean, you add all the data points and divide by the number of data points. The extremes will skew the data. If you use mode, that may work also. You find the data that occurs most often.
Answer:
you have it correct, permutation
Step-by-step explanation: