The question above has 4 parts and i honestly wouldn’t even know where to start , !

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3