Answer:
20
Explanation:
You would set up a proportion in order to solve this
3 green 12 green
------------ = ------------
8 total x total
Then you would cross mulitply for x and get 32. Since that is the total number, you would have to subract the 12 from 32 to get 20.
Answer: x=9
Explanation:
(2x)^2 + (x^2)=45
4x^2 +x^2=45
5x^2=45
x^2=9
x=9
Draw a picture to help you!
Please feel free to ask if you have any questions or if that was not what you were looking for:)
Answer:
the answer is normal fault srry so late hope this helps
