length times width times height
3 50
4 90
5 50
6 40
7 98
8 90
9 90
10 130
11 180
12 90
mark as brianliest
Answer: 
Step-by-step explanation:
For this exercise it is important to remember:
- The Distributive property:

- The multiplication of signs:

Then, given the following expression:

You need to apply the Distributive property. Then:

Now you can combine like terms (or add the like terms). Then you get:

Therefore, the equivalent expression created by combining like terms, is:

m=y+7x, or m=7x+y, it is correct either way you would write it.