Answer:
Tonya cut the cylinder vertically and David cut it diagonally.
Please provide more information for a anwser
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
10×4,000=40,000 because all u do is add an extra zero everything you multiple something by ten
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