Answer:
Option D 2 is correct...hope it helps:)
Answer: B
Step-by-step explanation:
Answer:
1 answer
Step-by-step explanation:
when the terms are collected
Answer:D
Step-by-step explanation:
This is combination.
If 4 books selected out of eight book in the shelf:
(4 combination 8)= 70
For hardback selection:
Then selection of 4 books out of the hardback, it means there is no paperbach will be:
(4 combination 6)= 15
So , if at least one paperback selected will be : 70-15
That is 55
Both ........................
