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
Answer:
I believe its the 4th option on edge...
Step-by-step explanation:
Answer:
y = -3.75
Step-by-step explanation:
1 - 0.5 = 2(y+4)
0.5 = 2(y+4)
0.5 = 2(0.25)
0.25 - 4 = -3.75 = y
Answer:
b=7 b=26 b=25
Step-by-step explanation: