Answer:
5,005
Explanation:
This is a combination problem. The formula for combination is:
nCr = n! / (r!(n-r)!)
Where n is the total number of items, and r is the number of items to be selected.
Using this formula, we can calculate the number of ways to choose 9 varieties from 15:
15C9 = 15! / (9!(15-9)!) = 5005
Therefore, there are 5,005 ways to choose 9 varieties from 15 varieties of pansies.