Answer:
-4
Step-by-step explanation:
x^2+4x+5=0
a=1,b=4^1 C=5
4^2-4×1×5
-4
Answer:
5
-12 + 8 = -4
-4 - (-9) = -4 + 9 = 5
Step-by-step explanation:
The angles are congruent and corresponding. You can find the missing angles by subtracting the existing ones from 180.