T to the 4th power then multiply by 3.
Answer:
First option: 
Second option: 
Fourth option: 
Step-by-step explanation:
Rewrite each equation in the form
and then use the Discriminant formula for each equation. This is:

1) For
:

Then:
Since
this equation has no real solutions, but has two complex solutions.
2) For
:

Then:
Since
this equation has no real solutions, but has two complex solutions.
3) For
:

Then:
Since
this equation has one real solution.
4) For
:
Then:
Since
, this equation has no real solutions, but has two complex solutions.
Answer:
The third one.
Step-by-step explanation:
Hope this helps.
Answer:
He's right it's 0.8 I got the answer right thanks a lot dude
Answer:
please the question is not done
Step-by-step explanation:
please don't take this the wrong way