That would be 40 books on each shelf. Hope that helped :)
Here is the process:
2,160/ 9 stands = 240 books per stand
240 stands/ 6 shelves each = 40 books on each shelf.
Answer:
37.68 i think
Step-by-step explanation:
This is the distributive property of multiplication. The -2 was distributed into the parentheses.
After four weeks, they both have the same amount of money. Larissa’s amount of money is constantly decreasing and Chuco’s is constantly increasing. At the four week mark on the graph, their two line intersect, representing that at that point they had the same amount of money.
Answer: 
a = 2 and b = 3
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Explanation:
Let's expand out 
to get the following:
The x term here is 2ax
Compare this to the x term of 
and we see that
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The constant term of 
is the 
portion since it doesn't have the variable x attached to it.
Compare this with the 7 of which is also the constant.
Equate the two items, plug in a = 2 and solve for b.
Therefore,
