Construct the graph of the direct proportion y=kx for k=0

Of what line should I put it as? For example straight, -
or up "forever" /

15 points ! ~ see if you know the answer to both you!

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?