Do they have machines like treadmills, stair stepper ect or is it just weights?

They have treadmills and elliptical and stair step. They have a whole part of the gym dedicated to cardio workout.

Yes they do. They have an entire sections of the gym that is dedicated to cardio machines.

Yes they have cardio machines

Yes many treadmill machines and stair steppers. Then a whole weight room as well