Answer:
1. 18
2. 17
3. 26
4. 17
5. 18
Step-by-step explanation:
use formula
F = 1/2*sqrt[ 4* r^2 -CD^2 ]
F = 4.4721
22.6666666667
round up to 22.67
5 packs of vases.
8 divided by 40 = 5. therefore, 5 packs of vases can be bought.