Answer:
The expression means that X+20
It is 10.7703296143, but estimated it would be about 11. Hope I helped!! :)
Answer:
Angle ABD
Step-by-step explanation:
I think it is so because the angles are aligned already so you what has the same value.
Answer:
Step-by-step explanation:

The possibilities are:
bbbb
bbbg
bbgg
bggg
This shows that there is a 1 in 4 chance of having three boys and one girl
So the answer could be 1/4 or a 25% chance