How are the partial products 280 and 21 related to 301

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height