Can you answer these questions about the star Arcturus?

Question

What is the spectural type?
What is the luminosity class?
Where would you find Arcturus on an H-R diagram?
What is the distance to the star?
Do you think the distance to the star was measured using parallax? Explain
What is the luminosity?
What is the stars apparent brightness?

Please help with any if you can!

Answer 1

Wikipedia can.
Type: K
Class: giant
H-R: upper right
Distance about 37 light years
Yes, by parallax, because it is close enough.
Luminosity 110 times the Sun.
Apparent brightness: About magnitude 0.