What is the angle between the noon sun on the winter solstice and the southern horizon for an ...

What is the angle between the noon sun on the winter solstice and the southern horizon for an observer at a latitude of 38 N?
 
  a. 38
  b. 52
  c. 75.5
  d. 28.5
  e. 14.5

Question 2

An eclipsing binary has been analyzed and it has been determined that the ratio of the mass of star A to the mass of star B is 6 and the total mass of the two stars is 26 solar masses. What are the masses of star A and star B?
 
  a. Star A has a mass of 1 solar mass and star B has a mass of 6 solar masses.
  b. Star A has a mass of 20 solar mass and star B has a mass of 6 solar masses.
  c. Star A has a mass of 31.2 solar mass and star B has a mass of 5.2 solar masses.
  d. Star A has a mass of 22.3 solar mass and star B has a mass of 3.7 solar masses.
  e. The masses of star A and star B cannot be determined from the information given.

Question 3

For an observer at 30 N latitude, what is the maximum angle between the observer's southern horizon and the moon?
 
  a. 30
  b. 53.5
  c. 58.5
  d. 83.5
  e. 88.5