Answer: 9: c , 10: a ,11 :d 12: a
Step-by-step explanation:
Answer:
About 20.8
Step-by-step explanation:
form a triangle using each line
It would be
(X^4+2X^2) -119(X^2-2X) then you would simplify
X^4+2X^2-119X^2-2X
So it would be
X^4+117X^2-2X=0
So basically X is undefined