Quadrilateral with only one set of perpendicular

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.