Answer:
-10,2
Solve by factoring set each equation equal to 0.
2x-4=0
X+10=0
Simplify
The answer to your question is -32.9
Answer:
600 cubic inch
Step-by-step explanation:

Each friend will have 1/24 of her total perfume.
I’m not sure if this is right, because the wording is weird, but if she is giving 1/8 of her perfume to all three friends, and then those friends have to divide that 1/8 among themselves, that is one eighth divided by 3, and that is equal to 1/24