There is no conjecture about the sum of the first 30 positive even numbers. The answer can be derived and proven. A statement that has been proven is no longer a conjecture.

A False Positive.

It has been scientifically proven, you do feel better when you have a positive attitude. Some people prefer to just see the truth, the reality, and that's fine, I'm like that as well. But it has been proven that when you try and think positive, you will feel better ultimately.

There is no proof positive of anyone seeing an angel. Many claims have been made, but none proven.

All of gods blessings to her l love her for her.who she is.l love you.for you