The first and last choices are the only ones whose angles total 180 degrees, so they're the only possible triangles.
Answer:

"From a quantum perspective, if you observed yourself in a particular new future that was different from your past, expected that reality to occur, and then emotionally embraced the outcome, you'd be-for a moment living in that future reality, & you would be conditioning your body to believe it was in that future in the present moment."
- Dr. Joe Dispenza
<em><u>Hope </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em>
<em><u>~ʆᵒŕ∂ཇꜱꜹⱽẻⱮë</u></em>
Answer:
positive, its above 0
Step-by-step explanation:
18+5= n
n= 23
D. 23
15+5=20 so u just gotta add 5 to 18
X ⇒ ln (2)
e^3 x - 8/e^2 x - 4