51,007.
If you want it is thousandths,
7.051.
Bye!
Step-by-step explanation:

Answer:
30? lol im guessing? idk...lol
Step-by-step explanation:
Seven times 41 = 287
Therefore, the mean is 287
180-40=140. 140/5 = 28
x= 28
angle B: 5(28) = 140
140 + 40 = 180
180=180