Y。 What is the value of x? O A. 20 O B. 30 O C. 45 O D. 60 O E. 90
1 answer:
You might be interested in
Answer:
Cr = 10
Step-by-step explanation:
To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.
[RevyBreeze]