First to answer both CORRECTLY gets brainleist!

Answer: I am actually studying about Stars, so I got you.
3. As the temperature of a star Increases, it's luminosity increases.
As the temperature of a star decreases, it's luminosity decreases.
4. Hot and Bright. The bigger the star, the hotter it gets is from what I learned.
Answer: As the temperture of a main sequence star increases, the luminosity increases, vice versa
Cool and bright
Explanation: