What is the area of rectangle RSTU?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Explain how to convert measurements in the metric system

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?