Answer:
A
Step-by-step explanation:
A is the less complicated one and the simplest but also the most efficient and the one that makes the most sense.
Answer:
t:

meaning any number can substitute t and it would be the same answer.
From left to right, the answers are: 152, D(line e), C(obtuse), 44 degrees.
Now I feel guilty and sleezy. Giving answers alone without explanations
is something I almost never do, because it doesn't help anybody do
anything but cheat. But it's all I have time for right now. If a mod comes
along and decides to delete this because of no explanations, then let him
delete it. It'll serve us right, you and me both.
Answer:
14+28i
Step-by-step explanation: