What does the scale read if the elevator is accelerating

Question

A student is standing on bathroom scale in an elevator; he weighs 230 lbs. when the elevator is stationary.

a.) What does the bathroom scale read if the elevator is moving at a constant velocity upward?

b.) What does the scale read if the elevator is accelerating downward at 20 ft/s²?

c.) What does the scale read if the elevator is accelerating upward at 10 ft/s²?