Really need help on this one

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?

Which of these figures must be a rectangle?