Can somebody please help me with this math question if u actually know it

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes