Answer:
EF = 1.5. DF = 2.
Step-by-step explanation:
DE is half of AB so EF is half of BC and DF is half of AC.
If there is more to the answer than what I give please ask for more!
With

we can find

by substituting 4 into the main function.
So it would look like this:

Hope this helps!
Answer:
A) 45
Step-by-step explanation:
P(green) = 6/20
6/20 = x/150
20x = 900
x = 45
You are able to divide or mutiply both so let's divide. Divide each by four to get1/2. hope this helped.