Answer:
29.6666666667
Step-by-step explanation:
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You would do 9*8*7 because any 9 could take up one then 8 people are left for the other and 7 for the final one so 504 ways
If I’m right I think it should be c but I do
Answer: d. 
Step-by-step explanation:
Let the number of ounces of clay that Elisa uses to make one vase of either size denotes by 'c'
Given : To make a small vase, Elisa uses no more than 4.5 ounces of clay.
i.e. 
Also, To make a large vase, she uses at least 12 ounces of clay.
i.e. 
Then , the compound inequality represents the number of ounces of clay that Elisa uses to make one vase of either size will be :-

Answer:
c=a2+b2=62+42≈7.2111
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