question: matrix 2 is proprietary to lifewave and laboratory testing has shown it significantly reduces exposure to cell phone radiation.
Capitalize this past sentence correctly.
A: Matrix 2 is proprietary to LifeWave and laboratory testing has shown it significantly reduces exposure to cell phone radiation.

question: bloons tower defense 4 will give you almost unlimited replay value.
Capitalize this past sentence correctly.
A: Bloons Tower Defense 4 will give you almost unlimited replay value.

question: why was i born, if it doesn't even matter how i live my life?
Capitalize this past sentence correctly.
A: Why was I born, if it doesn't even matter how I live my life?