Answer:
12
Step-by-step explanation:
Answer:

Step-by-step explanation:
we would like to factor the following:

let a²+b²=x
thus substitute:

rewrite the middle term as 4x-22x:

factor out x:

factor out -22:

group:

substitute back:

and we are done!
The answer would be letter B.
15b=55
----- ----
5 5
3b=11
The answer is 3b=11
Answer:
I'd say around eighty people. Hope that helps.
Step-by-step explanation: