Answer:
The first one and the second one.
Step-by-step explanation:
Answer:
144º
Step-by-step explanation:
(n-2)180 = total º inside, then subtract all the angles u know u have from that number
Answer:
π - 
Step-by-step explanation:
note that 
= x
Given
= π -
Y = -1/2x + 4
X + 2y = -8
Replace y in the second equation with the first one:
X + 2(-1/2x +4)=-8
Simplify:
X -X +8 = -8
Simplify:
8 = -8
Subtract 8 from both sides:
0 = -16
This is a false statement, so there are no solutions.
Answer:
You may need to go to the doctor if that ever happens
Step-by-step explanation:
