Answer:
a+b = 4
Step-by-step explanation:
3(a + b)^2 = 81
(a + b)^2 = 27
a + b = sq rt 27
a + b =
· 
a + b = 3
Answer:
x=12!
Step-by-step explanation:
Answer:
answer fx
Step-by-step explanation:
its fx because it works
Answer:
Answer in image below
Step-by-step explanation: