Answer:
60480
Step-by-step explanation:
This question has to do with permutations. A permutation is used to find the number of possible outcomes, assuming order matters. In this case, n=9 and r=6. This is written as
which equals
. Then, plug this into a calculator to get 60480.
There will be 23 layers of brick, because 7500/321 = 23 with 117 leftover.

The constant of proportionality,m, is 3 (option B)
Answer:
srry
Step-by-step explanation:
Answer:
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