Answer: h.
Step-by-step explanation:
"n choose k" gives you the number of possible unique combinations...
n!/(k!(n-k)!)
n=number of elements to choose from and k=the number of elements that you choose...in this case:
7!/[2!(7-2)!]
7!/[2!5!]
21
There are 21 possible different two question combinations that she can pick.
Answer:
86/100 = 43/50
Step-by-step explanation:
86/100 is the answer but 43/50 is the simplified answer
plz mark brainiest
Answer:
2
Step-by-step explanation:
If we take 1 and add another 1, you will get 2
Answer:
subtract from both sides and then multiplying both sides
Step-by-step explanation:
how can you solve y = -2x + 25 by subtraction
