Answer:
Step-by-step explanation:

The answers are 3 and -13
You need to plug 3 and -5 into x
By doing this, you get :
12 - 3^2 and
12 - (-5)^2
those expressions equal
12 - 9
12 - 25
So you get
3
-13
Answer:
I think it 78.85 is the answer
Step-by-step explanation:
First u add them together than thats it
Answer:
30, 150
A + B = 180
A = 2B+ 90
2B + 90 + B = 180
3B = 90
B=30 A=150
Step-by-step explanation: