Mean is 7+3+2+4+9=25/5 equals 5
If angle b and angle e are the same, I guess you can write b=e ?
So you’ll have :
3x = 6x - 39
0 = 6x - 3x - 39
39 = 3x
x = 39/3
x = 13
10xBx15+11xB is that what you are needing for the answer because you didn't really say what you where looking for.
Answer:
The question?
Step-by-step explanation:
we need question to answer