Use the permutation formula
nPr = (n!)/((n-r)!)
20P15 = (20!)/((20-15)!)
20P15 = (20!)/(5!)
The final answer is choice A
Yes it is, any decimal after the number one will be bigger than one
Answer:
any amount less than $18
Step-by-step explanation:
39-21= 18
she can spend any amount LESS than $18
Answer:
lol, I can not answer your question without the list that the question given. please add