1. 2(10)
4(20)
6(30)
I only know the answer to number 1 sorry. :/
Answer:

Step-by-step explanation:
The total length of this line is 15 units. FG is 6 units long.
This means that the probability of p being on FG would be
which can be simplified to 
Answer:
w=12.5
Hope this helps :)
Answer:
12
Step-by-step explanation:
7+5