Which one is Correct...? 2+2=4, 2+2=10 or 2+2=22?

Two lines that do not intersect are skew. always sometimes or never

The measure of angle 0 is 600 degrees

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?