Answer: -7
Step-by-step explanation: mark brainliest
Answer:
no clueeeereereee
Step-by-step explanation:
idkkkkkkkkkkkkkkk
It should be 6.36cm. If not ask someone smart in your class.
In order to solve a proportion you need to cross multiply, so you would do:
4x20 and 9xX and you would get...
9x=80
then divide by nine to get
x=8.8888888889
which is technically 8.9